Tom bought n DVDs for a total cost of 15n - 2 dollars. Which expression represents the cost of each DVD?

a. n (15·n - 2)

b. n + (15·n - 2)

c. (15·n - 2) / n

d. (15·n - 2) - n

Maya chatted online with all her friends for 2/3 of an hour on Saturday and 1/4 of an hour on sunday. During that time period, she chatted with paul for 1/8 of an hour.

Select proportional or not proportional to correctly classify each pair of ratios. 18/72 and 4/16

Identify the corresponding parts. Angle P corresponds to angle. Angle C corresponds to angle. Angle K corresponds to angle.

Madison has an annuity that pays $9003 at the beginning of each year. If the economy grows at a rate of 3.4% each year, what is the value of the annuity if she received it in a lump sum now rather than over a period of 9 years?

Rebekah's baby brother weighs 7.71 pounds. How much more than 10 pounds will her baby brother weigh if he gains 1.3 pounds each week for the next 2 weeks?

Roy's Toys received a shipment of 100,000 rubber duckies from the factory. The factory couldn't promise that all rubber duckies are in perfect form, but they promised that the percentage of defective toys won't exceed 5/%5%.

Tell whether this is a linear relationship, is not one, or it's impossible to tell. Stan earned $15 on Monday, $45 on Tuesday, Wednesday and Thursday, and $60 from Monday to Friday this week.

Solve the equation p=8L+5w for L. A). L = (p-5w/8) B). L = (p+8w/5) C). L = (p+5w/8) D). L = (p-8w/5) E). L = (p+5w/8)

Find an equivalent fraction for each given fraction 24/100

Taylor ran 57 minutes on Tuesday and 48 minutes on Saturday. Mark ran 62 minutes on Tuesday and 53 minutes on Saturday. Taylor said they ran the same total time and mark said they didn't. Who is right? Explain using comparative relational thinking.