Answer:
305
Step-by-step explanation:
If she is at day 19, that means you have to multiply 15 (phones repaired each day) times 19 (19th day) in order to get how many phones she has counted which is 285. To find how much she has left, you have to subtract 285 from 590 which gets you 305.
D. 64 should be the answer
length x width x height
4 x 4 x 4
4^2
64
140°
Supplementary angles sum to 180° , thus
angle = 180° - 40° = 140° ← other angle
