I'm struggling to figure this ! which set of numbers has 270 as the common multiple?
a. 30, 90, 390
b. 18, 30, 54
c. 25, 125, 120
d. 2, 9, 15

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), what is d if c c' = 12 and d' = 0.50? a) 3 b) 6 c) 12 d) 24

The total number of dental clinics total for the last 12 months was recorded

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9