How many times larger is 2 x 10^15 than 4 x 10^9?

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate