In 20 L of air, there is about 0.78 L of carbon dioxide. About how many liters of carbon dioxide are there in 1 L of air?

A. 0.04

B. 0.4

C. 4

D. 40

5 less than a number Y is under 20

For your college interview, you must wear a tie. You own 3 regular (boring) ties and 5 (cool) bow ties. 36 1.

The system of equations below shows the rental costs (y), in dollars, for renting a kayak for x hours from two diffemt rental companies. y = 25x + 250 y = 50x + 150 For what number of hours will the rental cost be the same for both companies?

A mean ogre stole 27 of your muffins. That was 3/5 of all of them! With how many did you start?

If it is 8:15 what time would it be in 35 minutes

If f (x) = - x + 4 and g (x) = x^2 - 5, then g (f (3)) = ? A) - 8 B) - 4 C) - 3 D) 0

F K = (x, y), is Set K a function?

70% of the 100 students in Middle School cafeteria bought their lunch some of the students that bought their lunch leave the cafeteria to attend an assembly now only 60% of the remaining students brought their lunch how many students are remaining

What percent of 150 equals 24.9

Raul wants to buy a new collar for each of his 3 cats. The collars come in a choice of 4 different colors. Step 2 of 2 : How many selections of collars are possible if repetitions of colors are not allowed