16 - (-15) = 16 + 15 = 31...difference of 31 degrees
Answer:
S12=855735
Step-by-step explanation:
if the 3rd term is 45 then,
formula: Sn=ar^n-1
S12=5*3^12-1
S12=5*3^11
S12=5*177147
S12=855735
Answer:
average rate of change is 1/2
Step-by-step explanation:
Answer:

Step-by-step explanation:
8x+9=0
8x=-9

or

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