Atrain travels 304 miles in 4 hours. if it continues to travel at the same rate how many miles will it travel in 7 1/2 hours?

1. are the triangles similar and if so why? what is the value of x? show your work.

Which line is parallel to the line that passes through the points (2, –5) and (–4, 1) a. y=-x+5 b. y=-2/3x+3 c. y=2/3x-2 d. y=x+5

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?