Bill buys a stock that decreases by 20% on the first day, and then on the second day the stock increases by 30% of its value at the end of the first day. What was the overall percent increase in Bill's stock over the two days?

What is the standard deviation of the following data set rounded to the nearest tenth? 7.7, 8.4, 9, 8, 6.9

Given a=10 and B=150° in Triangle ABC, determine the values of b for which A has A) exactly one value B) two possible values C) no value

One ounce of cheddar cheese contains 9 grams of fat. Six of the grams of fat are saturated fats. Find the ratio of saturated fats to total fat in an ounce of cheese.

7x20 draw a model to show your answer

One rule of thumb in the fast-food restaurant business is a "4 times markup": The price of a food item should be four times the price of the ingredients used in making the item. If the cost of ingredients used in making a taco is 1.

Banks will pay you interest on your money based on the interest rate. True or false?

The perimeter of a rectangle is 136 ft. The ratio of its length to its width is 9 : 8. What are the dimensions of the rectangle? 40 ft by 28 ft 44 ft by 24 ft 48 ft by 20 ft 36 ft by 32 ft

Multiply (3x2 + 2x - 1) (2x + 3)

Find an angle x where sin (x) = cos (x)

Greta and Marge are collecting money for a local charity by taking donations outside of busy local businesses. Hoping to collect the most money today, Greta gets to her collection spot and begins collections at 8am.