Answer:
If not a then not b
Step-by-step explanation:
Probably gonna want to watch a video that goes over everything. Or do a search online for converse, inverse and contrapositive.
(68+75+74+82+88+x)/6=70
(387+x)/6=70
x= 33
Not Sure
The slope is 0.
See graph below...
36 degrees
The whole shape is 90 degrees.
90 - 54 = 36