Answer:
multiplication by d=> 2d^3, 11d^2, -4d
multiplication by -9=>-18d^2,-99d, 36
The answers are in order from left to right.
Step-by-step explanation:
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Answer:
19.048
Step-by-step explanation:
To make a percent to a decimal, move the decimal to the left 2 times.
43%=0.43
So r+c=42
c=4+r
subsitute c=4+r for r in r+c=42
r+4+r=42
add like terms
2r+4=42
subtract 4 from both sides
2r=38
divide both sides by 2
r=19
rob=19
subsitute r=19 for r in c=4+r
c=19+4
carly=23
Answer: 46
Step-by-step explanation:
10 (3 +1) + 6
30 + 10 + 6
46
