Mandvil has one standard quarter and one special quarter with a Head on both sides. He selects one of these two coins at random, and without looking at it first, he flips the coin three times. If he flips a Head three straight times, what is the probability that he selected the special quarter?

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?