The cost for 7 dance lesson is $82.the cost for 11 lessons is $122.write a linear equation, slope-intercept form, to find the total cost c for l lessons

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.

What is the measure of each of the two angles formed by the bisector of the diagonal of a rhombus if the original angle measures 58 degrees?