It’s 180-135 which equals 45 so it is 45 degrees for X
The value of m is -30 because once you get m on the one side the equation is 3m=-90 and once you divide -90 by 3 you get m=-30.
Number 7 is a. 0.013
number 8 is c.3
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5
It’s organized and you can see it more visually , gives you a way to double check and write down the data properly.
2 3/8 - 1 7/8
Change to improper fractions
19/8 - 15/8 = 4/8 = 1/2