The length of a rectangle is 5ft longer than twice the width. if the perimeter is 70 ft. find the length and width of the rectangle.

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

2/3(-6y+9x) expand each expression using the distributive property

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)