Mary has 18 marbles. if tim has 5 times as many marbles as mary, which number sentence shows how many marbles tim has?
a.
5 × 18 = 90

b.
18 + 5 = 23

c.
18 × 18 = 324

d.
5 × 5 = 25

idk

step-by-step explanation:

an altitude of 15,000 feet

step-by-step explanation:

dont trust me im no expert these losers made me fail a test bro this sucks

step-by-step explanation:

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.