Answer:
b
Step-by-step explanation:
Answer:
1:6 = 7:42
Step-by-step explanation:
Answer:
(-1,9)
Step-by-step explanation:
union contains both sets.
Answer:
.55(220-a) + .90(220-a)
Step-by-step explanation:
Answer:
≈ 56°
Step-by-step explanation:
Using the sine ratio in the right triangle
sin ? =
=
, then
? =
(
) ≈ 56° ( to the nearest degree )