Answer:

Step-by-step explanation:
First we will find sum of 
Adding the like terms:

Now subtract (-9x^2+8x-14) from (-6x^2 - 7x +7)

Answer:

Step-by-step explanation:
Use the algebraic distributive property to expand the brackets.




Isolate the variable by dividing each side by factors that don't contain the variable.
f=e-g/d
Answer:
Step-by-step explanation:
V= 2pi^h
120=2(3,14) h
120/6,28= 19 feet
Answer:
8
Step-by-step explanation:
anything raised to the power of 1 is itself