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1) Postal clerks weigh each piece of mail to find a mailing
cost. It costs $0.45 per ounce to mail an item. If Susan
mails two items having weights of 7ounces and 6 %
ounces, how much does she pay?
box
or line.
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If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright

Math i have no idea how to do a and b