Asegment has endpoints m(6,15) and n(-3,9). the image of the segmen for a dilation with center (0,0), has endpoints m'(2,5)and n (-1,3). what is the scale factor of dilation?
a. 2< < < < b. 3 c. 1/2 d. 1/3 i'm not confident with this answer because i still don't really understand dilation..

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

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?

2.5 milligrams is equivalent to how many grams