James had $240 more than his brother, Sam, at first. After their mother gave James $30 and Sam $50, James had twice as much money as Sam. How much money did Sam have at first?

7. n - 10 + 9n - 3 if n = 5 -9-16 Reader' nswer each question. (2pts cu areatest common facto Cual es el resultado de la pregunta

2/3 y = 1/4. y = ___?

if two thirds of a number isincreased by 5 and the sum is doubled the same result is obtained as when one third of the number is increased by 28 find the number

The United States post office has two different priority mail flute rate boxes. Which box has the greater volume? Justify your answer. Box1: 6 1/2in. x 8 1/2in. x 11in. Box2: 3 3/8in. x 11 7/8in. x 13 5/8in.

What is 0.15% as a decimal and as a mixed number

Jorge is baking cookies. The recipe makes 144 cookies. If Jorge and his 5 friends want to divide the cookies evenly, how many cookies will each person get?

For the schools sports day a group of students prepared 21 1/2 lbs of lemonade at the end of the day they had 2 5/8 lbs left over how many lbs of lemonade were sold

The area of a rectangle is 48 square centimeters. The length of the rectangle is 8 centimeters longer than the width. Which equation models this situation? A. 8w=48 B. w+8w=48 C. w+8=48 D. w (w+3) = 48

Tanya drove 312 hours and used 13 tank of gas. For how long could Tanya drive using 12 tank of gas? In simplest form.

What are you finding when you take the derivative of a function?