13. a shop owner spent $540 to purchase a stock of
computer keyboards. if the price of each keyboard
had been reduced by $2, he could have bought 3
more keyboards. find the price of one keyboard.

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?