20% of what number is 8

Which is grater 501,107 or 89,171

Kyle is 4000 days old how many years old is he

The quantity of a drug in the bloodsteam t hours after a tablet is swallowed is given, in mg, by q (t) = 40 ((e^-t) - (e^-2t)) What is the maximum amount of the drug in the bloodstream at one time?

Kevin uses 36 ounces of dried apples and 18 dried cranberries to make a fruit snack. He plans to sell the snack in 1/2 pound containers. How may containers will he fill? Will any fruit snack be left over?

Drag the tiles to the correct boxes to complete the pairs. Match each inequality to the number line that represents its solution. X-99 S-104 X-515-43 150 + x S 144 75 < 69 - X 7 8 9 A+ + 8 - 5 9 8 -1 -6 -5 7 - 8 -7 6 5

The school library is buying new books that cost $9 each. Which equation represents the total cost (t) for any number of books (b) ? * Ot=b-$9 O t = b + $9 O b = $9t O t = $9b

Write an expression for the sequence of operations described below. Add b to d, subtract a from the result, then multiply c by what you have.

Factorise 4a^2 - 12b

Joanna receives 8$ an hour when she works at the coffee shop plus she earns tips as well. Last week she made 40$ in tips and earned a total of $256. Write an equation and use to find the number of hours Joanna worked last week.

I am a decimal. Count on in 0.5s from zero and you will get to me immediately before you say 10.