Question

Which integer represents the total change in altitude of an airplane descending 5 feet every second for 15 seconds? (1 point)
65
75
–75
or –65

Answer 1

@Opcode²

Answer 2

The airplane descends at the rate of 5 feet every second.

This happens for 15 seconds.

$$15 \times 5 = 75 $$

Since the airplane is descending it is -75.