3.5.31 Write an equation of the line satisfying the given conditions.
Perpendicular to x - 3y = 4; y-intercept (0, -9)

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142