9. Simplify: 5 + (7x + 3) + (-7x)

A) - 8x

B) 8x

C) 14x + 8

D) 8

A restaurant has one type of lemonade that is 12% sugar and another that is 7% sugar. How many gallons of each type does that restaurant need to make 20 gallons of a lemonade mixture that is 10% sugar? A.

Two fourths is how many pieces of the whole

A bookseller prices a particular book by raising its wholesale price 60% and then adding $0.75. what is the wholesale price of the book if it sells for $18.75?

Write 557.90 in expanded form.

Mr Vanley wrote a story that was 375 words long. He wrote 63 words on the first page. He wrote 115 words on the second page. Mr Vanley wrote one more page to finish the story. How many words did he write on the third page?

Give an example of fractions that you would compare by finding common denominators and an example of fractions you would compare by finding common numerators.

If cereal costs $2.79 for 16.4 ounces. How much does 25 ounces of cereal cost?

The table below shows the earnings, in thousands of dollars, for three different commissioned employees. Employee #1 $2,000 + 3% on all sales Employee #2 7% on all sales Employee #3 5% on the first $40,000 + 8% on anything over $40,000 December 4.

The number of frogs (f) in the pond is proportional to the number of salamanders (s) placed in the pond. Suppose there are 10 frogs for each salamander.

Luke mowed a lawn today to earn some extra money. He spent $2.10 on fuel and $4.45 on lunch. He charged $13.50 to mow the lawn. What was his profit for mowing the lawn?