It took Samantha 20 min to skate over to her friend's house. She hung out there for 2 hours. On the way home, she stopped for 30 minutes to eat at McDonald's. If Samantha got home at 6:00pm, what time did she leave to go to her friend's house?

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x