Answer:
59049
Step-by-step explanation:
I calculated it and got 59049
I had the similar test and got it right so it should be B
Answer:
1
Step-by-step explanation:
it should be 1. I believe this is the identity property.
2/7 because its a part to whole ratio.
Problem 1: Plug in the given value into the function and evaluate.

Problem 2: Solve the equation for y.

add 7x to both sides to move it to the right side of the equation.

Divide both sides of the equation by 2 to get a single y variable on the left hand side.

Simplify the terms to get the the equation into slope-intercept form.
The slope of the line is 
I'm a unsure what Problem 3 is asking for sorry I hope the rest is helpful.