An investor bought 600 shares of stock, some at $5.00 per share and some at $4.75 per share. if the total cost was $2912.50, how many shares of each stock did the investor buy? (round to two decimal places if necessary.)

Abox of chocolates costs $7. which equation relates the number of boxes sold (x) and total cost of the boxes sold (y)?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.