Write the equation of the line that is perpendicular to the given line and that passes through the given point. y-3=-1/5(x+2); (-2,7) a) y=5x+7 b) y= 5x+17 c) y= 1/5x-2 d) y= -2x+3 plz !

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7

16x^2-16x=5 solve the equation by completing the square