What is the value of k in the equation 2/7 (k+5/8) = 2 2/7

Cynthia bought some grapes on sale for $.94 per pound. if she paid 2.35 for the grapes. how many pounds of grapes did she buy

Factor the expression: 8x3 + 4x2 - 2x - 1 (2x + 1) (2x + 1) (2x - 1) (2x + 1) (2x - 1) (2x - 1) (4x + 1) (x - 1) (2x + 1) (4x + 1) (x + 1) (2x - 1)

Brian, Steve, and Rita invested a total of $24,000 in a business. Each person invested the same amount. Unfortunately, in the first quarter they suffered a loss of $4,500, which they shared equally.

Peter wants to purchase pizza pies and breadsticks for a party. The cashier tells him that pizza pies are $8 each and breadsticks are $5 each. Peter cannot spend more than $120.

Given: f (x) = 3x+8, find f ' (x). Then state whether 1 (x) is a function.

What's the parabola in vertex for for (-5,0) and has a vertex (-2,1)

He length of a rectangle is 7 in greater than the width. the area is 30 in squared2. find the length and the width

The second side of the triangle deck is 4 feet longer than the shortest side. The third side of the deck is 4 feet shorter than twice the length of the shortest side. If the perimeter of the deck is 76 feet, what are the lengths of the three sides?

The sum of the first 100 positive numbers?

A buck sold 32,300 copies in its first month of release. Suppose this represents 8.8% of the number of copies sold today. How many copies have been sold to date?