The circle shown below is centered at (0,0)

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.