Evaluate x^1-x^-1+x^0 for x=2

Divide. (3x^2+15x+21) divide (x+3) Your answer should give the quotient and the remainder.

Which expression can be used to convert 22 Australian dollars to US dollars? Assume 1.2 Australian dollars equals 1 US dollar. $22 AUD * StartFraction 1.2 U S D Over 1 A U D EndFraction $22 AUD * StartFraction 1 U S D Over 1.2 A U D EndFraction $1.

Suppose A is a 3X3 matrix and b is a vector in R3 such that the equation Ax = b does not have a solution. Does there exist a vector y in R3 such that the equation Ax = y has a unique solution?

How can i solve this equation, is it an idenity or not?: 15q-3 (4q-6) = 3q 9-9q

A puppy gained 6 pounds during the month of September, which has 30 days. On average, how many pounds did the puppy gain each day? Select all that apply. a. 1/5 lb b. 2/9 lb c. 0.2 lb d. 0.5 lb e. 5 lb

Adam drew two samw size rectangles and divide them into the same number of equal parts. He shaded 1/3 of one rectangle an 1/4 of the other rectangle. What is the west number of parts into which both rectángles could one divided

Two trains start heading toward each other from two cities, the distance between which is 720 km and meet right in the middle. The second train left 1 hour after the first train, but traveled at a speed 4 km/hour faster than the first train.

Divide X^2+77x+20 by x+9 what is the quotient and remainder?

Brass is made from a mixture of copper and other elements. A mixture that is 80% copper is combined with a mixture that is 60% copper, resulting in 100 pounds of brass that is 65% copper.

in slope intercept form write the equation of a line that is parallel to 3x - 5y = 7 and passes through (0, - 6)