Rebecca needs 10 1/2 yards of fabric to make quilt. She has one piece of fabric that is 2 1/2 yards and another piece of fabric that is 4 1/4. How many more yards does rebecca need to make the quilt?

Acoin is tossed twice. let e e be the event "the first toss shows heads" and f f the event "the second toss shows heads". (a) are the events e e and f f independent? input yes or no here: yes (b) find the probability of showing heads on both toss. input your answer here: preview

What does x = in this equation x+3+2x=x+5

Are the corresponding angles congruent? explain why or why not.