Answer:
It's graph D
Step-by-step explanation:
Answer:
Step-by-step explanation:
x² + 4x -21 = x² + 7x - 3x -3*7
= x*(x + 7) -3(x + 7)
=(x + 7)*(x-3)
Step-by-step explanation:
second one is right
I hope
His suit case is 7,938 cubic inches i think
Answer:
The length is 16.1 ft and the width is 4.7 ft
Step-by-step explanation:
Let
x -----> the total length of the tables
y -----> the width of the tables
we know that
The area is equal to


so
-----> equation A
-----> equation B
substitute equation B in equation A


Solve the quadratic equation by graphing
The solution is 
Find the value of x

therefore
The length is 16.1 ft and the width is 4.7 ft