some seniors signed up for dance classes for the fall. then 117 stopped taking classes. 189 seniors continued taking classes. how many seniors started taking classes?

Elizabeth has 1 7/10 as many plants as Rosalie has in her garden. if Elizabeth has 51 plants, how many plants does Rosalie have in her garden

Joe wants to carpet a 12 foot by 18 foot rectangular living room and square bedroom. One side length of the square bedroom is 12 feet. Carpets cost $3.50 per square foot.

Select three equations that have no solution. A. 19 + b + 12b - 8 - 5b = 2b - 7 + 3b + 3b - 4 B. 4b - 9b - 13 - 6 + 16b = 1 - 8 + 6b + 5b - 12 C. 7 + 7b - 2 - 15b + b = 4b - 5 - 11b + 2 + 10 D. 10b + 8b + 9 - 18b + 3 = 5 + 6b - 2b - 12 + 7 E.

9.09 repeating as a fraction

a cookie jar contains four oatmeal raisin, one sugar, nine chocolate chip, and six peanut butter cookies. if one is chosen at random, find each probability.

Charmaine can knit 15 rows in 22 minutes. How many can she knit in 90 minutes?

What is pi times 4 squared times 7

What is 8.49x10^-7 in decimal form? 0.0000000849 0.000000849 8,490,000 849,000,000

Travel Ez sells dollars at a rate of ($1.40) / (1 euro) and buys dollars at a rate of ($1.80) / (1 euro). At the beginning of a trip, Sophie exchanged $540 to get 300 euros.

What is the range of y = square root x+7+5?