Write the equation of the line in slope -intercept form that goes throughthe point (0, 5) and is perpindicular to the line: y=4x+6

How is working backward similar to solving an equation?

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.