Alonso plans to buy a new kayak that costs $2100. The sales tax in his county is 7%. What is the amount of sales tax he will pay? A. $1470

B. $14.70

C.$14700

D.$147

Find the length of cu, the triangles are similar.

Which number line correctly shows 0.8 + 0.3?

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! )