Systems of equations with substitution

-5x+2y=9

Y=7x

Identify the percent of change as an increase or a decrease. 12 inches to 36 inches

What is 7 and a half hours + 6 and 3/4 hours + 7 and 1/3 hours?

2x - by = 40 y = 6x - 1

Find last year's salary if, after a 4% pay raise, this year's salary is $36,920.

Joan earns $10.50 per hour. She worked 40.5 hours last week. What was the amount of her check?

Don bought 3 1/2 quarts of ice-cream for a party. Four pints were eaten. How many pints remained?

Devin is collecting signatures for a petition to open a new park in her town. She needs to collect at least 1,000 signatures before she can schedule a meeting with the mayor. She already has 380 signatures.

Jeff bought a refrigerator for $1,300 he made a 10% down payment and finance the rest at 6% for one year how much interest did he pay?

If you hike 1/2 mile every 1/5 hour how far do you hike in two hours?

How do i find the value of a parallelogram