Anne, Bob and Chris went to the sale. The amounts of money spent by Anne, Bob and Chris were in the ratios 2 : 3 : 7
Anne and Bob spent a total of $320 in the sale.
Work out the amount of money Chris spent in the sale.

Abig remake 100 loaves of bread in one day how many loaves does the bakery make in 6 days

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.