Simplify: 6(a - 2b) + 3(4a + b)
a) 18a - 15b
b) 18a - 11b
c) 18a - 9b
d) 18a - b
What is c) 18a - 9b
What is the approximate volume of a square pyramid with a base area of 200 square feet and an overall height of 600 square feet?
a) 120,000 cubic feet b) 8,000,000 cubic feet
c) 12,000 cubic feet d) 40,000 cubic feet
What is d) 40,000 cubic feet?
Donna has a cube that measures 7cm on each edge. What is the surface area of the cube?
a) 343 square centimeters
b) 294 square centimeters
c) 49 square centimeters
d.) 21 square centimeters
What is b) 294 square centimeters?
In the summer, Ana earns $6.00 an hour taking care of children. She works from 8:00am until 11:00am on Wednesday and Thursday and from 7:00am until 9:00am on Friday and Saturday. Which number sentence can be used to find the total amount of money (m, in dollars) Ana earns per week?
a) (3+2) x 6 = m
b) 6 x (3+3+2+2) = m
c) (6+3) x (6+2) = m
d) (8+11+7+9) x 6 =m
What is b) 6 x (3+3+2+2) = m?