(w – 2.5)(w + 2.5)
(–4v – 9)(–4v + 9)
step-by-step explanation:
b. 1.25 hr
if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio
1 mi. to
then mult. both sides by 75 we get the ratio
75 mi. to
simplifying we get
or 1.25 hr.
16 is the absolute value
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