Is x^-2 - 1 a polynomial

Find the measure of angle 3. measure of angle 1 = x measure of angle 2 = x-6

Efetue as operações no caderno (dica: se achar conveniente que escreva os números decimais na forma de fração.) A) (0,222 ...) + (0,555 ...) - (0,777 ...) B) (0,888 ...) : (5,666 ...) C) (1,8333 ...). (0,52727 ...)

George has $2.00 to spend at a store. He buys 3 cans of soda. Each can of soda costs 65 cents. What calculation should George use to determine how much change he should receive?

0.000000000093 in scientific notation

A football team lost five yards on each of two consecutive plays. Find the total change in yardage.

Solve the following system of equations using the substitution method: y = x2 + 3x - 12 y = x + 3

The area of a rectangle is x2-2x-8. the width of the rectangle is (x+2). what is the length?

perform the steps for dividing the two polynomials using synthetic division. state the quotient, q (x), and the remainder, r (x). 2x^5-8x^4+2x^3+2x^2 / 2x^3+1

Can you ever us a calculator to determine if a number is rational or irrational? Explain

What is the value of the algebraic expression if x=1/2, y=-1, and z=2?