Find the axis of symmetry and vertex.

y=x^2-8x-7

Select one:

a. x = 8; (8,-23)

b. y = 2; (2, - 17)

c. x = 4; (4, - 23)

An amount of $ 42,000 is borrowed for 10 years at 6% interest, compounded annually. If the loan is paid in full at the end of that period, how much must be paid back? Use the calculator provided and round your answer to the nearest dollar.

There were 9 people at a birthday party. The median age was 3 years and the mean age was 19 years. What could account for such a wide difference between these two measures?

The following balls are placed in an urn: 6 red, 6 yellow, 6 blue, and 2 green. One ball is randomly drawn from the urn. What is the probability that the ball is either yellow or green?

Joe has eaten 2/5 of a pizza. James has eaten 1/7. How many times more pizza has Joe eaten than James?

A 2-yard piece of copper wire costs $69.48. What is the price per foot?

If sally has 8 dog and lost 2, how many does she have left?

Consider the equation 4+2 (5x-8) = ax+b for what values of a and b would the equation have infinitely many solutions

Find cos a and cot b exactly if a = 15 and b = 11.

2) Sarah is trying to raise $240 for a school trip. She has already raised 25% of the money. How much money does Sarah still need to raise?

Eighty-three million twenty-three thousand seven in standard form