Scott needs to buy a textbook for his college class. The book costs $221 new. He found a slightly used one online for $201. What percent of the $221 (the new cost) will he save if he buys the used book?

49,000 round to the nearest ten thousand

Leo has 100 coins in his piggy bank. All coins are either nickels, or dimes, or quarters. There are as many nickels as dimes and quarters together. How much money are nickels in Leo's piggy bank worth?

In analyzing the recordings, what would you define as the unit for analysis? Why? How many data units (in rough estimates) are you likely to get based on this decision? Does the estimated number of data units seem adequate? Why or why not?

Katie invests $5,000 in an account earning 4% interest, compounded annually for 5 years. Two years after Katie's initial investment, Emily invests $10,000 in an account earning 4% interest, compounded annually for 3 years.

What is 474757+585858+985858 divided by 9

You have 5 pieces of wood. What is the total length of the wood? 73cm, 1.6m, 2.87m, 325cm and 4.04m

10. The length of the hypotenuse of a 30°-60°-90° triangle is 16. What is the perimeter? 64+8 square root 3 24+8 square root 3 16+64 square root 3 8+24 square root 3

The regression equation you found for the water lilies is y = 3.915 (1.106) x. In terms of the water lily population change, the value 3.915 represents: The value 1.106 represents:

Super Turbo Mega Double Double Extra Credit: The Earth's total diameter is 12700 kilometers, with the solidified, ocean-covered crust that is at its thickest 35 kilometers wide.

What number is 100000 more than 702083