Answer:
7(3 + 7)
Why:
7x3=21
7x7=49
Step-by-step explanation:
80:100=x:20
x=80×20/100=16
you have to divide 7 by 15 equals .466666666
Answer: It's the absolute maximum, the vertex is (-2, -8).
Step-by-step explanation:
Just go to desmos graphing calculator and input the equation y = -2x^2-8x-16. You'll find the vertex and other things too.