Answer:
Step-by-step explanation:
cos R = adj/hyp
R = cos⁻¹(9/10) = 25.8419327... ≈ 25.8°
Answer:

Step-by-step explanation:
Given that,
y varies directly as x. It means,
y = kx
Where
k is the constant of variation
or

So, the constant of variation is
.
Answer:
I believe this is the answer you are looking for:
x3-6x2-7x
Step-by-step explanation: