Please help I have been stuck on this question

Evaluate: 4 + 8 / 2 * (6 + 3)

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

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