Joe earns $425 a week for working 40 hours and an additional $20 an hour for each hour over 40. Last week, Joe made $485. Write an equation to determine how many hours over 40 he worked.

Round to the nearest number. 59,450

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Consider the following information. 1 hour = 3.6 · 103 seconds 1 day = 24 hours 1 year = 3.65 · 102 days Use scientific notation to calculate the number of seconds in one day. Answer choices 86.4 · 104 seconds 0.864 · 101 seconds 8.

K+29=9k-4 what is the variable

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How to find x and y for 4 (x+1) = 4x+2+2

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Find a polar equation of the form r=f (θ) for the curve represented by the cartesian equation x=-y2.