Simplification/ 15x^6-20x^5+10x^4
Answer:
D
Step-by-step explanation:


Answer: F=bill for first shop=4S-$630; S=bill for second shop
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F+S=$3265 Substitute for F
4S-$630+S=$3265
5S=$3895
S=$779 ANSWER 1: The bill for the second shop was $779
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F=4S-$630
F=4($779)-$630
F=$3116-$630=$2486 ANSWER 2: The bill for the first shop was $2486.
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CHECK:
F+S=$3265
$2486+$779=$3265
$3265=$3265
explanation:
Perimeter = 48in Area =144 in
Answer:
1/y+4
Step-by-step explanation:
1-5+1/y+8
1/y+(1-5+8)
1/y+4