Cory sold 6 baseball cards to a collector for a total of $90. He sold each card for the same price. What is the unit rate of Cory's baseball cards?

Mike's closing costs will add up to 4 percent and he'll make a down payment of 20 percent on a house that costs $210,000. Over the life of his loan, he will pay $197,040.76 in monthly payments. What is the total cost of his house?

Susan invests 2 times as much money at 10% as she does at 6%. If her total interest after 1 year is $1040, how much does she have invested at each rate?

It is observed that a certain bacteria culture has a relative growth rate of 15% per hour, but in the presence of an antibiotic the relative growth rate is reduced to 5% per hour. The initial number of bacteria in the culture is 24.

According to the graph of H (w) below, the w-axis is also the what for H (w)

Write a numerical expression to represent 6 times the difference of 9 and 3.

An $18 item is marked down 30% what is the clearance price

What is the completely factored form of x^2-6x-16

Find tenth term of the sequence (1,1,2,3,5,8,13)

Write this expression in a different way. 2x-438

om has four dollars. Bob has three times as much as Tom. Cindy has twice as muchas Bob. How much do they have altogether?