Which expression is equivalent to (2x^5+7x^3) - (5x^2-4x^3)

5.074 rounded to the nearest hundredth is

Imagine that there are 3 coins in a row. The sum of the first and last coins is 26 cents. The sum of all the coins is 36 cents. The coins decrease in value from left to right. Can you list the coins in the appropriate order?

Simplify 15m^2-3mn^2:15m^2+57mn-12n^2

The manager of an automobile dealership is considering a new bonus plan in order to increase sales. Currently, the mean sales rate per salesperson is five automobiles per month.

Y=3x-7. When x = 0 what is the value of y

Add 2,034; 571.835; and 0.082

How many more cents per item is 3 items for $10 than 2 items for $5? Express your answer to the nearest whole number.

The population of Canada is approx. 3 * 10^7. The population of Mexico is approx. 1 * 10^8. How many times greater is the population of Mexico compared to the population of Canada?

Guido is a citizen and resident of Belgium. He has a full-time job in Belgium and has lived there with his family for the past 10 years. In 2017, Guido came to the United States for the first time. The sole purpose of his trip was business.

Nora bought a robot originally priced at $80 but on sale for 25% off. After 5% sales tax, what was the total cost?