There are 15 boys in a class. This is three more than four times the number of girls. How many girls are there?

Find the mean, median, and mode of the following set. 27, 20, 34, 37, 21, 42, 39 A) mean: 31.4; median: 35.5; mode: 37 B) mean: 31.4; median: 34; no mode C) mean: 36.7; median: 34; no mode D) mean: 36.7; median: 37; no mode

A student solved s system of equations by elimination. Describe and correct the error made in the part of the solution shown. 5x+4y - x3→15x+12y=6 3x+3y - x4→12x+12y=-3 3x+0=9 x=3

Convert 251 lb/in to kg/m

The product of a nonzero rational number and an irrational numer is?

If f (x) = 5x - 4 and g (x) = 4x + 1, find (f - g) (x). A. 9x - 5 B. 9x - 3 C. 5 - x D. x - 5

You grew 3.8 inches since last year. If you are 61.2 inches tall now, how tall were you a year ago? Write and solve an equation.

A square and rectangle have the same perimeter. The rectangle is 13 cm long and 7 cm wide What is the length of a side of the square

What do 20% off the regular price mean?

a box is 24cm by 15cm by 10cm. this box will packed with smaller boxes of paper clips which are 6cm by 3cm by 5cm. what is the largest number of boxes of paper clips that will fit in the bigger box?

Whats 300 times 400? then add 500