The temperature falls from 0 degrees to -12 1/4 in 3 1/2 hours. which expression finds the change in temperature per hour?
a. -7/2 ÷ 49/4
b. -7/2 x 49/4
c. -49/4 x 7/2
d. -49/4 ÷ 7/2

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w