Answer:
Write 0.72 as
0.72
1
Multiply both numerator and denominator by 10 for every number after the decimal point
0.72 × 100
1 × 100
=
72
100
Reducing the fraction gives
18
25
-5d+(-6)u-3= -5*2-6*7-3= -10 - 42-3= -55
Answer: A. 9x^2+2x-5
Step-by-step explanation: its just adding the two numbers from right to left so +3-8= -5 then -5x+7x=2x then 6x^2+3x^2= 9x^2 so putting them together equals 9x^2+2x-5
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