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four times the width of the rectangle is three less than three times the length. the perimeter is 30 cm. find the width and length of the rectangle.

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

In which form is the following function written? y = - 2(x – 3)(x + 5)

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.