There are 39 pens in 3 boxes. How many pens are in 12 boxes?

Find the slope of the line whose equation is y - 4x = 8.

A theatre has 15 seats in the first row, 20 seats in the second row, 25 seats in the third row, and so on. Write the linear equation represents the number of seats, n, in each row, r?

Find the simple interest on a 340% loan at a 7% annual interest rate for 3 years

Write the function whose graph is the graph of y = X + 3, but is reflected about the y-axis.

Joe decides to take his six year old son to the planetarium. The price for the child's ticket is 5.75 dollars less than the price for the adult's ticket.

For f (x) = 4x+1 and g (x) = x squared - 5, find (f-g) (x)

Henry rented a truck for one day. There was a base fee of $17.95, and there was an additional charge of 71 cents for each mile driven. Henry had to pay $144.33 when he returned the truck. For how many miles did he drive the truck?

Willow is starting a big business for her class. A bake sale! Rachel, Lana, Sara, and Josephine are also participating! Rachel needs 1/2 more cups of yeast to make the challah. Lana needs 1 1/2 cups more flour to make the fortune cookies.

Determine which answer is reasonable to 4.8 times 9.2 A. 14 B. 45.36 C. 432 D. 470.4

Tia was flying her model airplane. it took the airplane 5 seconds to go 90 feet. what was the average rate of speed of the model airplane, in feet per second?