The Earth rotates at a unit rate of .25 degrees per minute. How much
does the earth rotate in half of an
hour?

it will rotate 7.5 degrees

Step-by-step explanation:

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation:

a.for lorena 14 hours makes $126   for 16 hours she makes 144

for julie 6 hours makes $72 for 21 hours its $252

b. julie makes more money than lorena julie makes $12 an hour and lorena makes $9  

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