A rectangle has dimensions 7 ft x 12 ft. Which of the dimensions describe a rectangle that is similar to this rectangle?
A) 5 ft x 7 ft
B) 14 ft x 36 ft
C) 21 ft x 36 ft
D) 21 ft x 48 ft

Find the measure of angle c in the following triangle.

Explain how to graph a scatterplot and its regression line using a regression calculator.

The change in water level of a lake is modeled by a polynomial function, w(x). described how to find the x-intercepts of w(x) and how to construct a rough graph of w(x) so that the parks department can predict when there will be no chage in the water level. you may create a sample polynomial of degree 3 or higher to use in your explanations.