Stephanie ran 2.5 miles in 12 mi utes. What was her average speed in miles per hour?

Using indices, how to solve 1) 3^y + 3^y+2 = 90 2) 2^r+4 - 2^t = 120

an angle measures 14° less than the measure of it's supplementary angle. what is the measure of each angle.

A women-only gym has 60% of its members married. 75% of the married women exercise in the morning and 30% of the single women exercise in the morning. Are being married and exercising in the morning independent? A) Yes.

4 sisters share 3 pies equally. Fractions

Can some one answer all of these questions 9) y = - 8x 2x + 4y = 0 10) 6x + 7y = 20 y = 2x 11) - 3x - 5y = 6 y = - 3 12) 6x - 5y = 22 y = - 8 13) y = 2x 3x + 3y = - 18 14) y = 8x -5x - 5y = 0 15) y = - 3 -5x - 3y = 14 16) y = 3x -3x - y = - 24

Which best describes a triangle with angle measures of 58 degrees 47 degrees and 85 degrees?

Darryl is a plumber. He charges $35 to make a service call and $20 an hour for any repairing. Write an algebraic equation relating Darryl's charge to the total number of hours of labor required.

4x+3y-1=0 and 3x-y+2=0, find slope

The ratio of the length of a rectangular field to its width is 4:3. If the length of the field is 100 meters, what is the perimeter of the field, in meters?

A snack bar sells two types of gronala bars. An apricot bar costs $0.80, and a cranberry bar costs $1.25. write an algebraic expression that represents the income the snack bar makes from selling gronala bars.