Rewrite the equation of the parabola in vertex form. y = x2 + 8x - 21

central school is hosting a "central has talent" show. they will award various prizes for the best acts in the show. first place wins the most money

Right triangle, find the missing length to the nearest tenth. 8 ft 19 ft a. 6.7 ft b. 20.6 ft c. 4.7 ft d. 17.2 ft

Explain why an angle that is supplementary to an acute angle must be an obtuse angle.

A ball is droppedd from a height of 100 feet. one second later, another ball is dropped from a height of 75 feet. which ball its the ground first

Ward earns $108 for each fax machine that he sells. If he works 6 days a week for 9 hours each day and sells 11 fax machines a week on average, what is his average hourly wage?

We are the smallest and largest whole numbers that round to 8000 when rounded to the nearest ten thousand

The graph shows a function that models the value V in millions of dollars of a stock portfolio as a function of time T in months over an 18-month period on what interval is the function decreasing on what interval is the function increasing

On his vacation, Chad spent 1/8 of the day swimming, 1/6 of the day shopping, and 1/4 of the day water skiing. How much of the day was left?

The equation of a line is x + 3y = 14. What is the y-intercept of the line? -14 14/3 14 314

What percent is equivalent to 1840? A. 18% B. 22% C. 40% D. 45%