Answer:
A- 0.68
Step-by-step explanation:
<span>4a - j = 7a + 3
4b - k = 7b + 3
None of the answers are true, a b are always b minus.</span>
Answer:
c. 9/12
Step by step explanation.
Given: sin = 9/15
and,


thus, find adj. side
by using Pythagoras theorem

then,
let adj. side be a^

thus,
adj. side is 12
then,
tan of the angle = 9/12