Tina has 10 times as many stamps as oliva. Altogether, they have 198 stamps. How many stamps does each girl have?

Arabica coffee costs 28$ per pound and Robusta coffee costs8.75 per pound how many pounds of Arabica coffee should you mix with 5 pounds of robusta coffee to make a coffee blen that costs 12$ per pound?

Determine two numbers that multiply to negative 24 and add to negative 5

Monisha and Dave each sold more magazine subscriptions as part of a fundraiser Monisha rays have as much money as the rays together the race $213.75 what is the total amount of money the money she has raised

Jennifer lost her credit card while she was on a vacation. She immediately reported the loss to the credit card company. After a few days, she received a text message stating that a transaction of $1,399 had just been made on her credit card.

Evaluate (16/81) to the power 3/4

Find and interpret the marginal frequencies.

On a recent Saturday, a total of 1086 people visited a local library. Of these people, 269 were under age 10, 466 were aged 10-18, 185 were aged 19-30, and the rest were more than 30 years old. One person is sampled at random.

A company sells desks for $155 each. To produce a batch of x desks, there is a cost of $83 per desk and a fixed or setup cost of $9,300 for the entire batch. Determine a function that gives the profit in terms of the number of desks produced.

Find the perimeter of a triangle xyz (0,2) (4,-1) (-2,-1)

Consider two circles, a smaller one and a larger one. If the larger one has a radius that is 15 feet larger than that of the smaller circle and the ratio of the circumferences is 4 colon 1, what are the radii of the two circles?