If I'm understanding the question right then 10.5^2
Answer:
z=3
Step-by-step explanation:
Add 3z and 2z
5z-5=25-5z
Add 5z on both sides to eliminate the -5z on the RHS
10z-5=25
Add 5 on both sides to eliminate the -5 on the LHS
10z=30
Divide by 10
z=3
Hope this helps!
Answer:
Question 3: B
Question 4: A, D, E
Step-by-step explanation:
Polynomials can not have a variable appear in the denominator.
4b^4-9b+2, 2x+7, and x-3 are in standard form.
Answer:
b
Step-by-step explanation: