Answer:

Step-by-step explanation:
Given

See attachment
Required
Determine the measure of 
and
are on a straight line.
So:
--- angle on a straight line
Substitute known values

Collect like terms


Answer:
should be 21
Step-by-step explanation:
Answer:
a number to be divided by another number
Hey hey!
56 would be the answer.
WAIT, don’t leave just yet! You have to show at least some work! You CANT learn if you don’t know what you’re doing.
Here’s how I got the answer:
7:4 walls = 10:8 people =M:40 minutes
M = (7/4) / (10/8) x 40
M = 56 minutes.
If that helped let me know by hitting the thanks button or reply with any help you need.
Have a FABULOUS DAYYY!
I'm confused is the x a × symbol or the letter x?