Answer:
a. 7/45
b. 1/15
Step-by-step explanation:
15 total balls
a. Selecting 1 Blue ball and 1 Green ball
3/15 * 7/15 = 21/225 = 7/45
b. Selecting 1 Red ball and 1 blue ball
5/15 * 3/15 = 15/225 = 1/15
Answer:
desmos .com
Step-by-step explanation:
this is as far as i could get. sorry
1) -4(12-3)+5(12)=24
-48+12+60=24
24=24
Therefore x=12
2.) -4(x-3)+5x=24
-4x+12+5x=24
-4x+5x=24-12
x=12