Answer:
1/3
Step-by-step explanation:
An algebraic expression is, obviously, an expression with a variable.
"A number" would represent a variable, which, in this case, we'll use y.
So, 15 decreased by twice x.
15 - y x 2 =
I hope this helped :)
First : -(-6) will turn into a positive 6
second: -8+6 which equals -2
Answer: 3√10 or v=−3√10
Step-by-step explanation: