Evaluate the polynomial when x = 7 and y = - 2

X^2 - y^2+xy

Define a variable write an equation and solve the problem. the length of a rectangle is twice the width. an equation that models the perimeter of the rectangle is 2w+4w=36 where w is the width of the rectangle in ft.

How do i solve 1/z^-6

If u = 3 - 4i and v = 3i + 6, what is u - v.?

What is 318.25 meters in word form

Eight-tenths gran of a chemical is put into each jar. How many jars can be filled with 192 grams of the chemical?

Jeremy bought four books the cost of three of the books were $13, $10 and $15. the average cost of the four books is at least $14. what is the minimum cost of the fourth book?

Angelo family drove 254.6 miles their car used 19 gallons of gasoline describe the cars gas mileage

How much longer is a 12cm pencil than a 1 dm pen

The ratio of mass to volume is represented by grams over milliliter

A school assembly has 60 students in attendance and 75% of them are first graders. how many first-graders were at the assembly