How to solve 2x+3y=20 and - 2x-3y=-20 by using elimination?

Convert 71.9% to a decimal. a. 0.00719 b. 0.719 c. 7.19 d. 0.0719

Suppose you have 20 coins that total $3.00. Some coins are nickels and some are quarters. Which of the following pairs of equations would you use to find out how many of each coin you have? A. n + q = 30 5n + 25q = 20 B. n + q = 30 n + q = 3.00 C.

The frequency of an AM radio is 1.4 x 106 hertz (cycles per second). Approximately, how many cycles are completed in a minute?

You return from a trip with 45 comma 100 Japanese yen. How much are your yen worth in U. S. dollars? Use the exchange rate shown below.

2x (5x + 3) + 7 (5x + 3) 7 x 10

A sporting goods store sells 6 baseballs, 9 footballs, and 10 basketballs on Saturday. The store sells 3 baseballs, 5 footballs, and 7 basketballs on Sunday. Which ratio is the smallest?

How to write 4/6 in unit fraction

Mario cut a pizza into 9 equal slices he put the slices of pizza on each of 5 plates what is the measure for the angle of the slices that are left

Circle the digit in the ones place. Then write even or odd. 36 is?

1 3/5 •1 2/5 = Find the value of each expression in lowest terms. That dot between the numbers is times