Subtract the equations.

5x + 4y = 25

(5x + 2y = 3)

For his long distance phone service, Ali pays a $5 monthly fee plus 9 cents per minute. Last month, Ali's long distance bill was $17.69. For how many minutes was Ali billed?

The Gator Girls is a soccer team. The possible number of goals the Gator Girls will score in a game and their probabilities are shown in the table below. Number of Goals: 0 | 1 | 2 | 3 | 4 Probability: 0.22 | 0.31 | 0.33 | 0.11 | 0.

Round 27 to the nearest ten

Find unit rate 6 2 / 5 Revolutions in 2 2/3 seconds

Dianna went to the hardware store and bought 3 identical copper pipes. When Diana lined up the pipes end - to - end, the line was 0.3 meters long. How long was each pipe?

20/18+5/18 = what mixed fraction

A homogeneous linear system in 5 unknowns whose corresponding augmented matrix has a reduced row echelon form with 3 leading 1's will have free variables.

There are three routes from a person's home to her place of work. There are four parking lots where she works, three entrances into her building, two elevators to her floor, and one route from each elevator to her office door.

A scientist measures a substance to be 0.6 grams. Calculate the percent of error in the measurement. Show all work for full credit

Factor the trinomial completely 2x^5+16x^4+8x^2 2x 5 + 16x 4 + 8x 2