Answer:
15, 18, 21
Step-by-step explanation:
3, 6, 9, 12, 15, 18, 21...
3 x 5 = 15
3 x 6 = 18
3 x 7 = 21
Hope this helps! :)
Answer:
x = -2
Step-by-step explanation:
Answer:
13) 
14) 
15) 
16) 
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
(-7)^2 - 4*3 *(-2) = 49 + 24 >0
discriminant is positive so 2 real roots
I think I got it, but just in case...tell me the whole thing again. I wasn't listening.
