Answer:
9% tax rate
Step-by-step explanation:
What you do is 3.50/40 and you will get .0875 which will equal
9% tax rate
12 is 50 percentage more than 6
4

This is because there is an imaginary 1 in front of the first sqrt.
Answer:
1. No
2. No
3. No
4. Yes
Step-by-step explanation:
Plug each option into u then solve the equation and see if the answer matches -15.
Ex. -15 = 1 -4 (2)
-15 = 1 -8
-15 = -7
-15 does not equal -7 therefore it is false. Use Pemdas to solve.