Which equation could be represented by the number line? .
A. -3 + (-4) = -7
B. 7 + (-6) = 1
C. 4+ (-7) = -3
D. -5 + 7 = 2

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?