Answer:
7^4
7 to the fourth power
7 ·7·7·7
Step-by-step explanation:
Because 7 to the fourth power is 7^4 and that equals 7·7·7·7
Answer:
(11, 11)
Step-by-step explanation:
Solve by substitution:
1. set the equations equal to each other

2. simplify

3. substitute the value of x into an equation

Answer:
y = -1/2
Step-by-step explanation:
−7⋅
Your answer would be 12x + 8 because there are 4 sides to a square and they are all 3x + 2, so you would need to multiply 3x + 2 by 4 which you can do by expanding brackets which gives you 4(3x + 2) and thus when you multiply it out you get 12x + 8. I hope this helps!