A robotic vacuum cleaner can clean 150 m² in 2 h.

Show me what an area model looks like

Assume that the function f is a one-to-one function, (a) f (8) = 9, find f ^ - 1 (9) also if f ^ - 1 (-7) = - 3, find f (-3)

How to find the first 4 terms of a sequence

In the neighborhood park there is a circular grassy picnic area, but half of the grass has died. The city wants to replant the grass, but needs to know the square footage of the damaged area.

Lane reads 25 pages in 30 seconds. If lane reads 200 pages at the same rate how long will it take her

What is the value of an annuity due at the end of 15 years of quarterly deposits of $2,000.00 with terms of 8 percent compounded quarterly? $228,102.00 $228,120.00 $232,666.08 $232,665.14

Is 2.22 a irrational or a rational number

Find the output, y, when the input, x, is 30. y = 14 - 0.5x

Let's say that you want to paint a room in your house. The room has rectangular walls. Each wall is 8 feet high. Two of the walls are 15 feet long, and the other two walls are 12 feet long.

Thirty students volunteered to set up booths for the school fair. All of the students worked 2 hours after school on Thursday and on Friday. Twelve of them also worked 3 hours on Wednesday.