Answer:
Step-by-step explanation:
α and β are Supplementary (given)
It is given that:
Plugging the value of α in equation (1), we find:
So,

Answer:
answer d 2/6
which is 1/3 =0.333333333
Answer:
The error with mark’s work is that a negative times a negative will give a positive. So -3 times -5 is +15 not -15. Then 15 times -2 will get you -30.
It a trapezoid
Hope this help :)
Banalties for the second question i think!