Which expressions are in their simplest form? Check all that apply.
1
+x?
3
1
7-9
y
1
1
x2
y
x
-tº
y
or-y

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

Will gve pints stars and brainliest

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.