Answer:
a. 18
Step-by-step explanation:
AB+BC = AC
x + x = 36
2x = 36
x = 36/2
x = 18
Answer:
<h2>A = 20</h2><h2>P = 6√10</h2>
Step-by-step explanation:
The formula of a distance between two points:

A(-3, 0) , B(3, 2)

A(-3, 0), D(-2, -3)

AB = CD and AD = BC
The area of a rectangle:

Substitute:

The perimeter of a rectangle:

Substitute:

The answer is 35.
We have the ratio 7/9 cross multiply with x/45
7*45 = 315
315/9 = 35
I would use the starting position, sea level as zero. Then I would convert all those minutes to hours so the answer is an integer and not a decimal.
60 min * (-10 ft / 212 min) = -2.83 ft/hr
round to integer = -3 ft/hr