Make r the subject
P=10(q-3r)/r

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10