X^2 + 30x + 21
= ( x + 15)^2 - 225 + 21
= (x + 15)^2 - 204
Its D minimum at -204
Step-by-step explanation:
98+38+74=210
210 divided by 100= 2.1
2.1 times 7.5= $15.75
Sandy will pay $15.75 dollars in tax
Answer:
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Answer:
speed=3.33m/s
Step-by-step explanation:
speed= distance÷time
3.33 m/s
length = ?