What is 2x - 4 if 12=x

What does x equal if x^3-5x^2+2x=10

A $65 coat is now on sale for $52. What percent discount is given?

The volume of a cylinder is 1,386 m^3 and its radius is 7 m. What is its height to the nearest whole number? (Pie = 3.14) 198 m 7 m 9 m 14 m

If x+y represents a motorboat's rate with the current, in miles per hour, it's distance after 17 hours is represented by what expression? It's distance after 17 hours is represented by

So i was here when openstudy was still a thing what happened?

Write an expression to match the words three times the sum of 8 + 4

The graph for the systems of linear equations is, y=1/2x + 2 and y = x - 1 What is the solution?

A train traveled 399 miles in 7 hours. Find the train's speed.

Consider a machine that exchange quarters for dollar bills. Inserting one dollar bill returns four quarters and you may insert up to five one dollar bills at a time. Is 7 a possible input for the relation this change machine represents?

The table below shows the age of some participants in a quiz competition, and the number of questions they could answer correctly: Age (years) (x) 15 21 17 22 16 19 18 Number of questions they could answer (y) 17 17 17 17 17 17 17 What is the