In sunlight, a vertical stick 9 ft tall casts a shadow 7 ft long. at the same time a nearby tree casts a shadow 28ft long. how tall is the tree? round to the nearest tenth

What does x equal to in 6x+4=x-11

5x=2x-15 y=2x-15 and y=5x

A stool of ribbon holds 6.75 meters. A craft club buys 21 stools. What is the total cost if the ribbon sells for $2 per meter.

Which pair of equations below represent parallel lines? and y = 9 and x = 18 y = 4x + 9 and y = 4x - 9 y = 5x + 15 and y = - 5x + 15

Joseph is making a 6 letter password using the letters A, B, C, D, E, and F. How many different codes can Joseph make is each letter can only be used once?

Thu wants to play "guess my number". she states,"when I triple my number and add five, I get twenty-six. What's my number?" what is her number?

What is the mean absolute deviation for the data set 10, 20, 5, 5?

Which of the following is true regarding the sequence below? 7/12, 1/6, - 1/4, 2/3 A. The sequence is arithmetic because there is a common difference of - 5/12 B. The sequence is arithmetic because there is a common difference of 1. C.

On Friday a local hamburger shop sold a combined total of 564 hamburgers and cheeseburgers. The number of cheeseburgers sold was three times the number of hamburgers sold. How many hamburgers were sold?

Write 0.126126126 ... as a fraction