Absolute values are generally written as || instead of {}
|x| = 1 is the equivalent of 2 equations
x=1 and x=-1
If we take 4/5=80 cent each and when we take 9/25=36 cents a piece so the store is a better deal
I think it's the second answer...
Answer:
A=616cm²
Step-by-step explanation:
The question says to use

for pi, now that we know that we proceed like normal and do the formula like this.

Answer:
a=2
Step-by-step explanation:
5+14a=9a-5 subtract 9a from both sides
5+5a=-5 subtract 5 from both sides
5a=-10 divide by 5 on both sides
a=-2
hope you do well :)