Ms. pacheco is three years older than mr. richards mr. edward is twice as old as mr. richard the sum of mr. richards age and mredwards age is 81

Solve for t. h (t) = - 16t^2 + 150t + 70

Divide -2 1/2 : 6 -2 1/6 -5 1/2 5 1/2 2 1/6

Find all complex solutions of 3x^2+6x+1=0. (If there is more than one solution, separate them with commas.)

Suppose you had x dollars in your bank account. You spent $22 but have at least $28 left. How much money did you have initially? Write and solve an inequality that represents this situation.

A certain rare form of cancer occurs in 37 children in a million, so its probability is 0.000037. In the city of Normalville there are 74,090 children.

Write a specific formula to describe the variation:x varies indirectly with the cube root of y; x=3when y = 125

A sphere has a radius of 12 meters. What is the approximate volume of the sphere? Use 3.14 for π. Round your answer to the nearest whole number.

8^2 - 4 (-3) (-2) / 8-8^2 : 4

Is 70+12 an expression or an equation

Simplify 2 · 5^2. A. 49 B. 20 C. 100 D. 50