An algebraic expression is an expression built up from integer constants, variables, and the algebraic operations.
Answer:
B?
Step-by-step explanation:
I think is B because solar power never run out.
（For the next 5000000000 years at least...）
Answer:
Step-by-step explanation:
1 1/2 = 3/2
I think you mean x^2 - 7x + 8
This is a basic factoring problem:
What two numbers multiply to make 8 and add to make -7?
There are no two numbers that work!
Therefore, it is prime
The answer is 4260, you can do 200 plus 60, then add to 4000
