A stone tumbles into a mine shaft and strikes bottom after falling for 4.2 seconds. How deep is the mine shaft?

If tan 0 = ½ then what is 0?

A firm receives an order for a square-base rectangular storage container with a lid. The container has a volume of 20 cubic meters. Material for the base costs 20 dollar per square meter.

What is the answer to - 6√150r

Ciara bakes banana bread and zucchini bread and sells the loaves at a farmers' market. last saturday, the number of loaves of banana bread that she sold was 4 more than twice the number of loaves of zucchini bread.

4a+3a = - 21 what is the answer

Two numbers sum to 53. Twice the first subtracted from the second is 8. Find the numbers.

Angle ABD measures (4x + 10) o. Angle ACD measures (5x - 2) o. Circle E is shown. Angles A B D and A C D intercepts arc A D. Angles B A C and B D C intercepts arc B C. What is the measure of arc AD? 12° 58° 96° 116°

Solve this system of equation using substitution y=2x-4 x+2y=10

What is the solution to the open sentence? 8y + 7 = y + 21 A. 2 B. 4 C. 7 D. 14

Use two mixed numbers to write an equation with a sum of 4 and 1 forths