For what value of x is the rational expression below undefined

2x+4 / x-7

In an auditorium 1/6 of the seats are for fifth grader 1/3 are for fourth grader and the remaining students are second graders. if there are 96 students in the auditorium how many seconds graders are there show your work

Thomas is training for a race by running on a circular path. He knows that it is 0.75 mile from the tree in the center of the circular path to the path. How long is the path?

List this greatest to least 6x2/5, 3 2/3 x 2/5, 2/7x2/5, 2/2x 2/5

what is the volume of a right cylinder which has a base radius of 14 inches and a height of 2 inches?

1/3 n=4/5 Enter the value of the n that will make the equation true.

Write an expression for the sequence of operations described below. 7 less than the quotient of j and k Do not simplify any part of the expression.

Find the least common multiple of 6, 2 and 9

Mandy works construction. She knows that a 5 meter long metal bar has a mass of 40 kg. Mandy wants to figure out the mass (w) of a bar made out of the same metal that is 3 meters long and the same thickness. What is the mass of the shorter bar?

7x+2y=-13 -3x-8y=-23

Find the sum: - 7 + (-5)