At a middle school, 40% of seventh graders have taken swimming lessons. If there are 250 studnets in the
seventh grade, how many of them have taken swimming
lessons?

List the sides of δrst in in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function