Answer:
9
Step-by-step explanation:
To calculate c from the first right angle triangle,
C2 = 36 + 16
C = sqrt(52)
To calculate a from the bigger right angle triangle,
B2 + 52 = (a + 4)2
B2 - a2 = -36 + 8a
A2 + 36 = B2
Solving both by elimination,
A = 72/8
=9
This is the answer for the rate of change. (0,80) (5,40)
Answer:
dude plz send a picture
Step-by-step explanation: this is confusing
The answer i came up with is : (4b-7x) (a+2)
An average of values added up then divided by their number.
