The mean tempriture for the first 4 days is 8 the mean tempiture for the first 5 days is 7 what is the tempriture on the 5th day

Math it's appreciated. (picture provided)

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

How do i put 3(x+7) in distributive property