Suppose a railroad rail is 6 kilometers and it expands on a hot day by 19 centimeters in length. approximately how many meters would the center of the rail rise about the ground.

A triangle has vertices x (1,1) y (4,1) and z (4,5). What is the length of side XZ?

Original price $45.00, Markdown 44%

92.96 as a mixed number in simplest form

On the day she was born, a baby leopard had 9 spots. Each day 4 more appeared. After 5 days, how many spots did the baby leopard have?

Write a conjecture given that ABC is an equilateral triangle

1. In what country did the government debate the merit of teaching students quadratics? 2. What modern technology would not be possible without quadratics? (hint: I have one at my house.) 3. What great ideas did the Babylonians come up with? 4.

Which equation forms a pair of linear equations with 9x+12y=48 such that the system has no soulution?

What is the percent of decrease from 155,000 to 140,00

A telephone company charges $0.30 for the first 4 minutes of a call and $0.18 for each additional minute. How long can a person talk for $3

determine if these equations are true or false A. 50 tens x 4 hundreds = 40 tens x 5 hundreds B. 24 x 10 x 90 = 90 x 2400