Which pairs of integers are additive inverses (opposites)? Select all that apply. A -10 and -10
B -9 and 9
С 14 and -5
D 25 and -25
E 11 and -1.1

If 50% of a number is 14 then 100% of the number is

Let r = 3. what is the value of r + 58?

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! )