Select the expression that represents the following statement: 52 minus 4 times the difference of 13 and 7. 4 x (13 + 7) − 52
4 − (7 − 13) + 52
52 − 4 x (13 − 7)
52 − 4 + (13 − 7)

What is the percent of increase for a population that changed from 438,000 to 561,000

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

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! )