4. A drill is used to dig down into the earth. After 2 hours, the drill is 12 meters below the surface. After 5 hours, the drill is 30 meters below the surface. Which equation represents the depth of the drill in meters, y, after x hours of drilling? y = 12x b. у %3D-12х a. C. y = 6x d. y=-6x

Caleb is standing 10.5 feet from his school building, and the school building is 12.3 feet tall. The diagram below represents the situation. 8. 12.3 ft 10.5 ft Which is closest to the distance between W, the point on the ground where Caleb is standing, and X, the top of the school building? OF 15.4 ft OG 11.3 ft он 16.2 ft 23.8 ft 1 3 6. 7 8. 9. 10 Next

Find mZB and m2C. В (10х — 19)° (7x + 23)° A D

Calculate the distance between the points K =(-6,0) and F=(-1,8) in the coordinate plane . Round the answer to the nearest hundredth.

x^2+y^2−2y=8. Find the center and the radius and draw the graph

Find the equation of the line through point (−6,−1) and perpendicular to the line y=−2/9x−6, in standard form Ax+By=C.Hint: try writing the equation in another form first, then put your equation in the form Ax+By=C

Gold is alloyed with different metals to make it hard enough to be used in jewelry. The amount of gold present in a gold alloy is measured in 24ths called karats. 24-karat gold is 100% gold. Similarly, 18-karat gold is 75% gold. 
How many ounces of 14-karat gold should be added to an amount of 8-karat gold to make 6 ounces of 12-karat gold? Graph equation(s) on coordinate axes with labels and scales. *

The triangular region shown below is bordered by one vertical line, one horizontal line, and one slanted line. State the equation of each line and determine the triangle's area. Vertical Line: Horizontal Line: Slanted Line: Area: 44

Construct an equation that has y=6 as its solution. Use y on both sides of the equation.