Student 1 -234567 X 90 87 85 85 95 96 82 85 87 89 90 92 94 80 75 4.3 1.3 -0.7 -0.7 9.3 10.3 -3. -7. 10

Q: 3+2x7=

A: We first multiply 2x72x7=14Because of PEMDAS we multiply first.

Q: 4x3=?

A: 4×3=?

Q: k2-35=2k

A:

Q: (2x-3)2=49

A: Solve (2x-3)2=49

Q: 3-4+8

A: 3-4+8 =-1+8 =8-1 7

Q: 8+9-10

A: Given that                                            8+9-10 here we will use BODMAS B= Bracket  O=…

Q: 12-2x=2

A: We have to solve for x  12 - 2x = 2

Q: The area of a rectangle

A: As we know that reactangle is a quadrilateral.The quadrilateral whose apposite sides are equal in…

Q: 14 +2

A: Adding Fractions Step 1: Make sure the bottom numbers (the denominators) are the same. Step 2: Add…

Q: 23-8K

A:

Q: Multiply. (-9x³)(7x4) O 16x' 7 O-63x12 O 16x12 O-63x7

A: As we know from the exponent rule: ab·ac=ab+c   (a). The given expression is: -9x37x4

Q: (-3,9) (-3,-5)

A: In (-3,9) and  (-3,-5) x ordinate = -3 for both.So on the line joining them x is fixed.

Q: 3u+4u=49

A: Solution: Here 3u+4u=49

Q: 18-2(3+4)

A: The given expression is;

Q: 20+(-4)(-5)

A: The calculation for 20+(-4)(-5) is presented as follows:

Q: 7- + 4 = %3D 8.

A: Given,         738+4

Q: 5y + 6(1-3)=15

A: Answer y = 3  solution is given in step 2

Q: 13t - 7 - 10t = 2

A:

Q: 9f

A: Given: Subtraction of f and 9f, That is f-9f. To find: f-9f.

Q: 40 (3x +10)°

A: Using concept of opposite Angles.

Q: 3 D P + 402-7P+2 =0

A:

Q: squareroot z+8=3

A:

Q: 11+(9+4)=(6+7)+11

A: 11+(9+4) = (6+7)+11 LHS 11+(9+4) = 11+13 = 24

Q: a5×a7

A: We have to simplify the given expression by using laws of exponents: a5×a7 We know the laws of…

Q: 13-2+3

A: this is a simple calculation question we will simplify this by normal calculation.

Q: 10 = 2(p + -4)

A: Given  10 = 2(p + -4) p =?

Q: 48x4/ 6x6=

A: To simplify the given expression.

Q: (5x6) 3xº

A:

Q: Multiply.

A: Use the defintion of square to write the given expression as follows.

Q: Whats 2 multiplied by 2?

A: Whats 2 multiplied by 2?

Q: 1+4+6+8

A:

Q: -5+2(8-12)

A: Use PEMDAS rule to simplify.First we work with the parenthesis. In it 8-12=-4

Q: 16+3•5

A: Given:  16+3*5

Q: What’s 3 + 3 =

A: Given expression 3+3

Q: V-3•V-6 -3 V2

A:

Q: 7 - 5 (10+8x)=37

A:

Q: 8 + 7(42 - 3)

A: 8 + 7(42 - 3) = ?