Answer:
It always has a solution until you get to imaginary numbers.
Plug in a=b for a=2
2≥2 which is true! so it will always have a solution.
Easy, showing work,
using the method FOIL (First,Outer,Inner, Last)
Take, (x+3)(x+5) and multiply,
First,
x*x=

Outer,
x*5=5x
Inner,
3*x=3x
Last,
3*5=15
Add the terms together,

+8x+15 (

+5x+3x+15)
Thus, your answer.
The correct answer is that the length of one edge must be 1 unit. One cubic unit has a length, width, and height of 1 unit. V = 1 x 1 x 1.
I don't know the exact question but heres the best i got
the surface area would be 294 inches
one face would be 49 inches
and the volume would be 343
Answer:
It's D
Step-by-step explanation: