Arectangular field has an area of 2100 square feet. the length of the field is 50 feet. a. how wide is it? b. the field is divided into 3 rectangles, as shown. write and solve an equation to find x. c. determine the dimensions of each rectangle.

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Solve 3x-18=2y and 5x-6y=6 by elimination show work

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2