Calculate the area of triangle ABC with altitude CD, given A(−7, −1), B(−1, 5), C(0, 0), and D(−3, 3).

This is my question: kate has 4 and 3-eighths yards of fabric and needs 2 and 7-eighths yards to make a skirt. how much extra fabric will she have left after making the skirt?

For each sentence below, find the value of x that makes each sentence true. (5 ^1/5) ^5 = 25^x x = (8 ^1/3) ^2 = 4^ x x = ^a1

An equilateral triangle has sides of length 16.1 cm, correct to the nearest millimetre. find the lower and upper bounds of the perimeter of the triangle.