1. which is the diameter of a circle with a circumference of 15 cm? a. 7.5/π cmb. 15π cmc. 15/π cmd. 30π cm2. which statement is true about the circumference of a circle? a. it is about twice the radius. b. it is about half the diameter. c. it is about three times the radius. d. it is about three times the diameter.

The mathematical expression 9€ t means

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?

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?