180 = 2x + 26
-26 -26
154 = 2x
÷2 ÷2
77 = x
One of the sides is 77
8a) The monthly rainfall is 3.6
8b) Deviation for May is 1
Deviation for June is 2.725
Deviation for July is 0.65
8c) Yes, the average annual rainfall was exceeded by 0.525
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Answer:
Step-by-step explanation:
f(4) = -1
g(4) = -2
(f + g)(4) = f(4) + g(4) = -3
Hope that helps!