$90
because if 1 body equals 30 each and she has 3 body’s add 30 3 times 30+30=60+30=90
Answer: D. Subtracting 9 from each side
Step-by-step explanation:
Always start with numbers without variables first before doing anything with x. And make sure one side must not equal 0 unless you're doing polynomials.
Answer:
The first one
Step-by-step explanation:
I believe they are Discrete