Which of the functions below have exactly two distinct real zeros? I. f(x) = -x2 + 14x - 45
II. f(x) = 4x2 + 4
III. f(x) = 2x2 + 12x + 18
IV. f(x) = 3x2 - 4x - 4
A. I and IV
C. II and III
B. I, II, and III
D. III and IV

To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?

Paul can type 60 words per minute and jennifer can type 80 words per minutes.how does paul's typing speed compare to jennifer's