Cora paid 16/100 of a dollar to buy a postcard from Grand Canyon National park in Arizona. What is 65/100 written as a decimal in terms of dollars?

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.