Math 1324 Math for Business & Soc. Science inclass quiz Sec 4.1 & 4.2 Name: Kahlea Hoover Due 9/12/2024 9/12/20 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the Solve the system of equations by substitution. 1) x+3y=-21 -6x + 4y = -28 A) (7,0) B) (1,-8) C) (0,-7) D) no s Solve the system of equations by elimination. 2) x - 5y = 35 5x - 4y = 28 A) (1,-7) Provide an appropriate response. 3) Given matrix A: 5 7-6 A = -4 9 1 What is the size of A? A) 2 × 3 4) Given the matrix B: B = What is the size of B? A) 1 x 3 B) (0,- 7) C) (7,0) D) (1 B) 3 × 3 C) 3 D B) 3 5) Write the augmented matrix for the system. 8x1 + 9x2 = 117 4x1+6x2 = 66 C) 1 x 1

two angles are supplementary (sum of ___). The difference of the two angles is 48. Write a system of equations then solve to find the measurre of the  larger andgle

Solve the system of equations by either the addition method or the substitution method. Express numbers as integers or simplified fractions.

Question is in the image, thanks :)