D. -4/3
Let's solve your equation step-by-step.
9x2+24x+20=4
Step 1: Subtract 4 from both sides.
9x2+24x+20−4=4−4
9x2+24x+16=0
Step 2: Factor left side of equation.
(3x+4)(3x+4)=0
Step 3: Set factors equal to 0.
3x+4=0 or 3x+4=0
x=
−4
/3
Hope This helps
Answer: A, scale factor is 3
Step-by-step explanation:
Answer:
90 visitors
Step-by-step explanation:
36=40% so X=100%
Ratio
36/40=x/100
40x=3600
x=90
