Answer:
x>4
Step-by-step explanation:
Step 1: Subtract 9 from both sides.
x+9−9>13−9
x>4
It's the graphs that don't touch the x-axis have complex roots. Roots are the points where the parabola touches the x-axis. A,C and E all cross/touch the x-axis so they have real roots.
non-real or complex root parabolas are: B, D, F
Answer:3+24b
Step-by-step explanation:
3(1+8b)
3+24b
Answer: 21 Nickels
21 dimes
8 pennies
Step-by-step explanation: