What is the answer for this question-7x-2y=-13

a boy is older than his sister by 3 years five years ago, the ratio of their ages was 4 : 3 find his present.

Teddy wants to taste all the flavors of ice cream at the mall one by one. Tasting any one flavor will change the way the next flavor tastes after it. The flavors are chocolate, vanilla, strawberry birthday cake, rocky road, and butter Peacan.

How does the quotient 10.5 : 1.5 compare to the quotient 105 = 15? Explain.

30 is what percent of 120?

Daniel had $25 to spend at the fair. If the admission to the fair is $4 and the rides cost $1.50 each, what is the greatest number of rides Daniel can go on?

A boat travels 276 miles in 8 hours (with a constant speed). How much time will it take traveling 165 miles?

According to Ohm's law, which combination of units is the same as the unit for resistance? volt : ampere ampere * volt volt + ampere ampere : volt

Round 5.04 to to nearest tenth

Which answer best describes the shape of this distribution? skewed left skewed right uniform normal

The ratio of the number of B's to the number of C's is 15 - 20 write the ratio three different ways be sure to simplify