A helicopter’s altitude dropped 275 feet each minute for 5 consecutive minutes. What is the change in the helicopter’s altitude over this time period?

What is the value of the expression below? 148+(-6)| + |– 35= 7|

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?

42. if 20 men can eat 200 kg of wheat in 40 days, then 10 men can eat 300 kg of wheat in how many days? a) 120 days b) 60 days c) 80 days d) none of these