Answer:
1) x=2, x=-2; 3) x=8/3
Step-by-step explanation:
Use the quadratic formula: -b+-sqrtb^2-4ac/2a
Make y 0 to find the x intercept
The range is correct because its largest to smallest
Answer:
18 boys
Step-by-step explanation:
18=6x3
6x4=24
24+18=42
Answer:
30, 20
Step-by-step explanation:
Multiply a big number with 3. Such as 30, or 20.
30 x 3= 90
20 x 3=60
