Which of the following equations could be the result of using the comparison method to solve the system shown?

x - 4y - 1 = 0
x + 5y - 4 = 0

a.) 4y + 1 = 4 - 5y
b.) -4y + 1 = 4 - 5y
c.) 4y + 1 = 5y - 4

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.

Which is the focus of a parabola with equation y2=4x

Consider the enlargement of the pentagon. what is the value of x, rounded to the nearest tenth? 2.1 centimeters 3.3 centimeters 7.0 centimeters 15.0 centimeters