Step-by-step explanation:
4a + 5a + 6b + 3b
=9a + 9b
= 9(a+b)
A. 819
Add all four numbers together and then divide by 4
The list of choices you included doesn't have any correct expressions on it.
-- If the rocket went straight up, and then dropped back at the same place
it was launched from, then it must have dropped straight down.
-- The route it followed on the way down was exactly the same as the
route it followed on the way up.
-- Since it reached a maximum height of 150-ft from the ground
and the route was straight, the length of the route was 150-ft.
-- (150-ft going up) plus (150-ft coming down) = 300-ft traveled all together.
Answer:
-801
Step-by-step explanation:
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