Ron bought two comic books on sale. Each comic book was discounted $l off the regular price r. Write an expression to find what Ron paid before taxes. If each comic book was regularly $2.50, what was the total cost before taxes?

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t