The total angle sum of a triangle is 180°
As such, 180= 78 + 2s +4s
102= 6s
s=17
Set up an algebraic equation: b=cost of ball
1.10=1+b+b
1.10=1+2b
subtract 1 from both sides
.10=2b
divide by 2 on both sides
ball=5 cents
Answer:
7
Step-by-step explanation:
First, plug-in f(-3) into t in the function:

Second, multiply -2 and -3 to get 6:
⇒
Third, add 6 and 1 to get your answer:
⇒
Answer:
3 9/16 lbs
Step-by-step explanation:
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