Answer:
a=3,b=5
Step-by-step explanation:

so as you got it:

Answer: 9
Explanation: you would use PEMDAS to solve the algebraic expression first by doing parentheses so subtract 8 and 7 which leaves you with 4 + 1 times 6-1. You would then multiply 1 into 6 which would leave you with 4 + 6 - 1 which you would then sum up 4 and 6 which leaves you with 10-1 which would give you the answer of 9
So the answer would be 9
Hope this helps!
Answer:
7x ³⁹¹
Step-by-step explanation:
1: "x3" was replaced by "x^3".
Answer:
the mean is 5
Step-by-step explanation: