Step-by-step explanation:
step 1. x = 70° (alternate interior angles)
step 2. y = 90° (same side interior angles).
Answer:
40
Step-by-step explanation:
The median is the middle line of the box, which is the value 40. The lower quartile would be 35 and the upper quartile being 50.
Step-by-step explanation:
I think both 3 and 9
D options
Answer:

Step-by-step explanation:
Change the mixed number into a regular fraction.

Subtract the numerator.

As a mixed number:

I think you are missing something, what expression?
If you mean the • dot, it means multiplication.