Which phrase describes an unknown or changeable quantity

Jason has 7 puzzles. quincy has the same number of puzzles as jason. how many puzzles do they have altogether?

Tonya had her birthday party at the movies. It cost $27 for pizza and $8.50 per friend for the movie tickets. How many friends did tonya have at her party if she spent $78

You purchase a new living room set for $1,275. You put a 5% down payment and $75.76 per month on a 24 month purchase plan. Use the APR formula to determine the annual percentage rate to a tenth of a percent. a. 35.23% c. 41.7% b. 37.03% d. 45.

D (1) = 1 / 12 d (n) = d (n - 1) * (-6) What is the 4th term in the sequence?

What is the outlier in the data set? 1,5, 123, 3, 16,7

Find the exact circumference of a circle with an area equal to 36 sq. in.

Angelo runs 7 miles per week and increases his distance by 1 mile each week. Marc runs 4 miles per week and increases his distance by 2 miles each week. In how many weeks will Angelo and Marc be running the same distance? What will that distance be?

3 2. DOG FOOD A bag contains 42 cups of dog food. Your dog eats 2 cups of dog food each day. How many days does the bag of dog food last?

Jane drove 260 miles using 12 gallons of gas. At this rate, how many gallons of gas would she need to drive 286 miles

Which subtraction expression has the difference 1 + 4i? (-2 + 6i) - (1 - 2i) (-2 + 6i) - (-1 - 2i) (3 + 5i) - (2 - i) (3 + 5i) - (2 + i)