Suppose a railroad rail 2 kilometers in length expands 16 centimeters on a hot day. How many meters would the center rise above ground?

Solve the following equation - 6p+7=3 (2p-3) - 4 (-10+4p) a. p=6 b. p=5 c. p=7 d. p=12

What is the perimeter of this pentagon? A. cm B. 1 cm C. 2 cm D. 2 cm

If the markup formula is 40 percent of cost and the selling price of an item is $49.99, what is the cost?

The fixed cost of making clothes for a clothing store for three years is $40,000. The number of pieces of clothing bought per year is variable and ranges between 100 and 200 pieces of clothing. Each garment is sold for $90.

Jeff burns 500 calories per hour bicycling. How long will he have to ride to burn 750 calories?

Lee put $10,000 into a stock market index mutual fund that grew at an average of 7% per year for 10 years. About how much is in Lee's mutual fund account after 10 years? Ignore compounding.

How many, and what type of, solutions does 6x^2 - 2X + 7 = 0 have? 1 rational solution 2 no real solutions 2 rational solutions 2 irrational solutions

Alice worked for six hours and earned $29.88. How much did she make per hour? A) $4.30 B) $4.98 C) $5.15 D) $179.28

Which expression is equivalent to 4/5 X 1/3? 1. 4/3 X 5/1 2. 4/5 divided by 1/3 3. 4/5 divided by 3/1

Describe and correct the error in writing 39/40 as a percent 39/40 = 0.975 = 9.75/100=9.75%