9. Boston Public Transportation Marcelo buys a monthly Charlie Card, which allows him unlimited bus rides in
Boston, for $84.50. Without the CharlieCard, each bus
ride costs $2.00. How many bus rides per month would
Marcelo have to take so that the cost of the rides with the
CharlieCard is less than the cost of the rides without the
Charlie Card?

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Acircus act has 3 times as many elephants as acrobats. jorge noticed that all together there were 56 legs in the circus ring. how many elephants were in the show?

Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.