<span>When ratesss are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit ratessss</span><span>. If you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.....</span>
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A. $74.55
because if their are 4 pairs you would do 35x4=140 the half of 140 would be 70. Then they would have to pay tax witch is 6.5% of 70 and that is 4.55 so paying for the shoes and including tax would be 74.55
Subtract 28 from 49 which is 21 picked in the second hour
Answer:
first problem is the second one, second problem is the third one
Step-by-step explanation:
for the first problem, just write out the equation (x-1)(x-2)(x+2)(x+3) and multiply them to get the answer
for the second problem, just factor it and you should get 3x(x+2)(x+3)
