What is the simplified form of: 5(c + 7) - 3(c + 4)?
1 point
1
Question 22
22.
Alex's paycheck is $625.50. He spends 1/5 for rent and 1/3 of the remainder for bills. How much does Alex have left for other expenses?
1 point
1
Question 23
23.
Mr. Johnson is ordering textbooks for his 32 students in 4th period. Each book costs $8.25 and weighs 1.5 ounces. The shipping fee is $0.35 per ounce. What is the total cost of the order, including shipping?
1 point
1
Question 24
24.
The chairs in an auditorium need to be wiped down. Ms. Garcia wipes 1/6 of the 120 chairs before her break. If Ms. Garcia wipes 16 of the remaining chairs after her break, how many chairs still need to be wiped down?
1 point
1
Question 25
25.
A library has 120 books in a special collection. If 1/4 of the books are mystery novels, 1/3 are science fiction, and the rest are biographies, which statement is correct?
a. There are 40 biographies.
b. There are 20 more biographies than mystery novels.
c. There are 10 more mystery novels than biographies.
d. There are 50 mystery novels.
1 point
1
Question 26
26.
The temperature is 10 degrees Celsius. Using the following formula, what is this equivalent to in Fahrenheit?
1 point
1
Question 27
27.
The length of a rectangle is (x+15) and its width is (x+5). What is the perimeter of the rectangle?_______