1.
If it costs d dollars to make the first 100 copies of a poster and e dollars for each poster after that, what is the total cost of 125 posters?
2.
If the volume of a cube is x3 cubic units, what is the number of square units in the surface area of the cube?
3.
If x 3 is a multiple of two, what is the next larger multiple of two?
4.
If 3x + 1 = 81, then x 1 =
5.
For dinner at a restaurant, there are x choices of appetizers, y + 1 main courses, and z choices of dessert. How many total possible choices are there if you choose 1 appetizer, 1 main course, and 1 dessert for your meal?
6.
If x $ y is defined as 2(x + y) 2, then what is the value of 2 $ 3?
7.
If x, y, and z are real numbers, which is always true? I) x (yz) = (xy) z II) x/y = y/z III) z (x + y) = zx + zy
8.
If y = 6x, then 6y equals
9.
What is the smallest of six consecutive odd integers whose average (arithmetic mean) is x + 2?
10.
: 70 The product of a and b is equal to 11 more than twice the sum of a and b. If b = 7, what is the value of b a?