when justin goes to work he drives at an average speed of 65 mph. it takes about 1 hour and 30 minutes for justin to arrive at w
1 answer:
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Answer:
see explanation
Step-by-step explanation:
step 4 take the square root of both sides
= ±
x + 4 = ±
step 5 subtract 4 from both sides
x = - 4 ±
step 6 solve for x
x = - 4 - or x = - 4 +