Answer:
90 or 85
Step-by-step explanation:
it is a right angle, and all the sides must add up to 180 degrees so yes, 85, im pretty sure.
5 is the answer because it is a full number
Answer:
10
Step-by-step explanation:
Determinant = ad - bc

By PEMDAS (or any alternative), <em>the first step should be to divide</em>, as D comes before A. So, 16 ÷ 4.