Sarah works at a concession stand for 2 hours show earn $15.50 but if she works for 4 hours she learned $31 find the rate of change?

Me. Woodruff owns an automobile parts store and typically marks up merchandise 32% over warehouse cost. how much would he charge customers for a rotor that costs him $62.25?

The following federal tax table is for biweekly earnings of a single person. / A single person earns a gross biweekly salary of $840 and claims 5 exemptions. How will federal taxes affect his net pay?

The quotient k and 22 is - 66.

Evaluate the numerical expression. 9x [ (26-4) - (4+7) ] The value of the expression is

Consider the following system of equations: 2x + 3y = 45 x + y = 10 What is the x-value of the solution for this system?

How do you couculate Pi? So I can continue to find the number by hand. I'm trying to beet my classmates in who can get highest but I don't know how to find the numbers.

The probability that Lexie is on time for given class is 98 percent. If there are 89 classes during the semester, what is the best estimate of the number of times out of 89 that Lexie is on time to class?

Simplify each expression (show your work) 1. 3 (2x+4) 2. - (5y-2) 3. - 5 (3n+1)

An audio cable is 16.3 dm long. How long is the cable in meters?

What is the sum of the interior angles of a regular shape witj 6 sides