A rumour spreads exponentially through a college. 100 people have heard it by noon, and 200 by 1 p. m. How many people have heard it (a) by 3 p. m., (b) by 12.30 p. m., (c) by 1.45 p. rn.?

Find the value of this expression if x = - 6 and y=1. xy^2/-7

If AB+BC = 24 and AB = 10, then 10 + BC = 24" is an example of the?

What do 8:5 16:10. 24:15 what do these ratios have in common.

The monthly rents for five apartments advertised in a newspaper were $650, $650, $760, $1550, and $840. Use the mean, median, and mode of the rents to answer the question.

A biologist tracks the numbers of bacteria living in a water tank. the biologist used a function that represents the amount of a certain chemical solution that is added to the water.

How many times does 70 go into 1000

The table shows the number of glass bottles of different colors in a shelf. A fair coin is shown below the table.

How can 225% also be expressed as a fraction or mixed number? Express in simplest form.

A truck is rented at $40 per day plus a charge per mile of use. The truck traveled 15 miles in one day, and the total charge was $115. Which equation can be used to the charge x, in dollars, per mile traveled?

Can x and y intercepts be in decimals or fractions?