Using the given zero, 2 - 4i, find one other zero of f (x) = x4 - 4x3 + 21x2 - 4x + 20

3/4 divided by 2/3 equals

the telephone company offers two billing plans for local calls. plan 1 charges $32 per month for unlimited calls and plan 2 charges $14 per month plus $0.05 per call.

Vivian earns 11$ for each hour of dog walking. how many hours in all will it take vivian to earn 44$

Twice one number added to another number is 18. Four times the first number minus the other number is 12. Find the numbers.

If the half-life of a radioactive material is 500 years, how much of the material will still remain after 1500 years? 1/3 1/4 1/8 1/2

What are the y and x intercept of 3x-5y=15

15 more than 3 times a number is at most 7

A researcher measured the heights of forty high-school students. The measurements are recorded here. Heights (in inches) 58 59 60 60 60 61 61 61 61 62 62 62 62 62 62 63 63 63 64 65 67 67 68 68 68 68 69 69 70 70 70 71 71 71 71 71 72 73 74 76 If

Sally's bicycle tire is 52 inches in circumference. Number of Revolutions Distance Covered. 1 inches 3 inches 12 inches 27 inches 146 inches

Lower quartile of 6 8 10 12 14 15 15 20