I think B and D are the answers
Answer:
1
Step-by-step explanation:
-2 + (-4) = -6 + 7 = 1
evaluate = solve
6
10² = r² + 8²
100 = r² + 64
r² = 36
r = 6
sin2x = 2sinx*cosx
= * cosx
= 2
=
= 24/25