Carol typed 57 words in 3 minutes how many word can she type in 1 hour

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

2/3(-6y+9x) expand each expression using the distributive property

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )