Get y by itself

21=6x+7y

7. Cathy spent of an hour on her math homework, of an hour on her science homework, and of an hour on her reading homework. How long did Cathy work on homework?

What fraction is equivalent to 1/3

A pack of cardinal flower seeds cost $4 and a pack of petunia flower seeds cost $2.50. you buy the same number of packs of each type of flower and spend $39. how many packs of each did you buy?

Find the discount on a skirt that is regularly priced at $50 and is on sale for $40

How to find the volume of a sphere that has a radius of 17

Which of the following is a cause of inflation? a. consumers growing apathetic and failing to notice attempts to raise prices b. demand continually exceeding supply, leading to an imbalance of money and goods in the market c.

Hermosa Menendez is employed by Chemical Industries. She has a family membership in the group preferred provider organization (PPO). The annual premium is $6,180. Her employer pays 75 percent of the premium.

Max accidently mixed 56 turnip seeds with 78 cabbage seeds. Since the two seeds look nearly identical, he must now choose one randomly to plant. Which of the following is the probability he will choose a turnip seed? A) 0.42 B) 0.56 C) 0.58 D) 0.72

A student athlete run 3 1/3 miles in 30 minutes A professional runner can run 1 1/4 times as far in 30 minutes. how far can the professional runner run in 30 minutes

What number is 115% of 73.8?