Fill in the blank:

_?__ (x+3) = 7x+21

Explain a word equation that y=2x shows

A jar contains 3 red, 4 blue, and 5 white marbles. The probability of drawing a red or a white marble is 2/3.

Find cos (a) in the triangle.

Eric created retangular patio using 1 foot pavers, which are sold in batches by the dozen. The patio measures 7ft x 8ft. How many batches of paving stones does Eric need?

Lilliana is training for a marathon. She runs the same distance every day for a week. On Monday, Wednesday, and Friday, she runs 3 laps on a running trail and then runs 8 more miles.

Which of the following is true? a. Stratification is utilized to create a z-score across data sets. b. Summarization provides detail for each grouping into tables. c. Stratification is an extension of summarization. d.

Solve the equation: 3 (x-5) - 5x = - 25 + 6x

A jewelry box with a square base is to be built with silver plated sides, nickel plated bottom and top, and a volume of 30 cm3.

How many faces, vertices, and edges does a cube have?

Fred is playing tennis. For every 2 of his serves that land in, 5 serves land out. If he hit 24 serves in, how many serves landed out?