The temperature on a winter night was - 23 * F. The temperature rose by 5*F when the sun came up. When the sun set again, the temperture dropped by 7*F. Write and evaluate an expression to find the temperature after the sun set.

The price of a small pizza increase from six dollars to eight dollars. What is the percent of increase in the cost of pizza? Round to the nearest percent, of necessary.

A person must select one of three boxes, each filled with clocks. the probability of box a being selected is 0.32, of box b being selected is 0.26, and of box c being selected is 0.42. the probability of finding a red clock in box a is 0.

Solve for x in the equation x^2-8x+41=0

What is the total change in their position. A team gains 20 yards. Then lose 7 yards.

56.8% as fraction or mix number

What is the advantage of selecting a simple random sample in (a) ? A. It is the easiest to select by hand from the registrar's file of 3,600 names. B. It requires the least amount of time. C.

What is the mass of a ball whose density is 0.250 g/cm3 and whose volume is 200 cm3

A brand new filled can of chicken broth is 12 cm tall and has a radius of 5 cm. Michele uses some of the broth to cook and now the broth left in the can is 4 cm high. How much broth did Mishka use?

Solve 13-m=2 (-4+m).

What is 5u+1 when u=3