Sub 7 for n
(7+1)(7-2)=
(8)(5)=
40
7th term is 40
Answer:
x=5
Step-by-step explanation:
Lets first solve for y on both sides:


Set the two equations equal to each other and solve for x:

Multiple both sides by 3:

Multiply both sides by 5:

Apply distributive property to both sides:

Add 20 to both sides:

Subtract 3x from both sides:

Divide both sides by 7:

Answer:
I dont know what the last one is but i got 101
Step-by-step explanation:
Answer: when a number is multiplied by itself, it will give you a perfect square.
For example: 5x5= 25 or 4x4= 16.
Step-by-step explanation: