1. Which is equivalent to the expression below?

(3. x2 - 2x + 5) - (2x2 - 5x + 1)

The ratio of students packing a lunch to those buying a lunch is 2:9. The number of students buying lunch is how many times the number of students packing a lunch?

List four rational number between - 4/5 and - 2/3

Is 3 feet greater to less than or equal to 21 feet

A rectangular animal pen will be built using 200 meters of fencing. If one side of the fence is 60 meters, find the area of the pen?

A forester is making a gasoline-oil mixture for a chainsaw engine. The forester has 2 gallons of a mixture that is 29 parts gasoline and 1 part oil.

Last school year the enrollment of Genoa Middle School was 465 students. This year the enrollment is 525. What is the percent of change rounded to the nearest whole?

Which of the following is a counterexample to the following statement? Subtraction of whole numbers is commutative. n + s ≠ n - s 4 - 3 ≠ 3 - 4 10 - 0 ≠ 10 2 - (4 - 3) ≠ (2 - 4) - 3

The length of a rectangle is six times it's width if the area of the rectangle is 600m2 find its perimeter

Which type of structure is used to determine which of two sets of instructions to execute?

If the mean of the data set shown below is 11, find x. x, 12, 8, 15