Answer: A is first
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given:

Let's distribute the parenthesis

Let's subtract
from both sides

Let's add
to both sides

Now, let's divide both sides by
to get
alone

Hope this is helpful
We can then write an equation representing this problem as:
e−1.5mi=5.25mi
Now, add 1.5mi to each side of the equation to solve for e while keeping the equation balanced:
e−1.5mi+1.5mi=5.25mi+1.5mi
e−0=6.75mi
e=6.75mi
The plane's starting elevation was 6.75 miles
Hope this helps!
Answer:
for the number 13
Step-by-step explanation:

by Pythagoras theorem
x= √81+36
x= √117
punch square root of 117 with a calculator, I don't have one now