a certain medication has a half-life of 2 hours. if you take 500 mg of the medication, how much will be left in your system after 12 hours

Shaneese is buying peanuts and cashews. She has $12 to spend. Peanuts cost $3 per pound and cashews cost $4 per pound. She buys x pounds of peanuts and y pounds of cashews. Which equation represents the amount of the mix? A. 3y+4x=12 B. 7xy=12 C.

20k - k - 11k - 5k - k = 18

Factor out the greatest common monomial factor from the polynomial. (If the polynomial has no common monomial factor, enter NCF.) 8x + 8

George took a 60 question math quiz. she got 10% of the questions incorrect. how many questions did she get incorrect?

What would be your take-home pay if you make $1634.89 per month and the government taxes you 23%?

Which clock shows a time after 3:15 but before 4:00

5/4b+7=7/8b+19 What is the answer for b

430*23=? Show your work

The ratio of boys to girls on mr Castillo's class is 2 to 3. Which of the following cannot be the total of students in mr. Castillo's class

A Solve for x. Write both solutions, separated by comma. 4x2 + 5x - 6 = 0