A pharmacist needs to combine a mixture for a patient. She uses 5 mg of antibiotic for 25 mg of the mixture. If the patient needs 100 mg of the mixture, how much antibiotic should the pharmacist use?

20 mg

30 mg

80 mg

120 mg

500 mg

Greg is riding his bicycle. He rides 38.4 kilometers in 6 hours. What is his speed?

Is 0.34353637 a irrational number

Which characteristic of mapping rules refers to a series of numbers in which each number in the series is an equal distance from the next number?

The base of a rectangular prism has a length of 8m and a width of 4 m if the volume is 64 cubic meters, what is the height of the prism.

Can we simplify 1 11/24 I'm

For f (x) = 3x + 1 and g (x) = x^2 - 6, find (f-g) (x) A. 3x^2 - 17 B. - x^2 + 3x + 7 C. x^2 - 3x - 7 D. - x^2 + 3x - 5

Find the value of x. 13,15,17, x, 20,21; The median is 18.

The carousel in st Augustine park has a diameter of 36 ft each ride last 3 minutes and the speed of the carousel is 3.8 revolutions per minute what is the maximum distance riders travel in one full ride round to the nearest hundred

When i was 2 years old, my brother was half of my age ... now im 100, my brother is?

Would I have to find the surface area or the volume to the following question - Bryan wants to paint his room a new color.