The little square means a right angle which is equal to 90 degrees.
X + 30 = 90
X = 60 degrees
240÷6=40 so the answer would be "The train is traveling 40 miles per hour."
Answer:(-1,3)
Step-by-step explanation:
Fluid ounces are a unit of capacity
So, what is the total lenght of the pieces that wer cut off?
we multiply the lenght by the number:
4

*5=20+

=21

and we subtract this from the original pipe, that is
30

-21

we need to bring the two fractions to the same denominator (by multiplying the fraction art in the first by 3 and 4 the second):
30

-21

=9

so the correct answer is D!