Answer:
16.) c. 2x²+7x-15
17.) c. 
18.) D
Step-by-step explanation:
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Any number raised to the power of 0 is 1.
Therefore, 15^0 = 1
Answer:
x= (8/5)
Step-by-step explanation:
x= 8÷5
evaluate the equation/expression
x=1.6
then convert to a fraction x= BasePoly 1.6 → 16/10 →8/5