For what values of the variable is the rational expression undefined?

5x + 4 / x2-1

Madison wants to order t-shirts for the university which consists of about 12000 students. she takes a random sample to figure out how many sizes to order of each kind. If she randomly surveyed 300 students and 129 of them wanted mediums.

Which one of the following measurements represents the longest distance A. 1 km B. 10 cm C. 5 m D. 50 mm

A) Expand and simplify (4x + 3) (2x - 5)

Pears cost $0.92 per pound and apples cost $1.10 per pound. Mr. Bonilla bought 3.75 pounds of pears and 2.1 pounds of apples How much did he pay for the pears and apples?

If you have 1 hundreds, 2 tens, 4 ones and 1 tenth. what is the number

A video rental company offers a plan that includes a membership fee of $9 and charges $1 for every DVD borrowed. They also offer a second plan, that costs $44 per month for unlimited DVD rentals.

The area of the two triangles is given by the functions: Area of Triangle A: x2 + x Area of Triangle B: x2 - 3x Which function represents the sum of the areas of the two triangles?

Movies are on sale for 1/4 the original price. If the original price is $20, which expression gives the sale price?

How do you find the ratio between 3 numbers?

Kayley is saving money for a vacation she starts out saving 10 dollars a week she plans to double the amount she is saving each month how much money will she be saving the fourth month.