We can find a and b using inverse trig functions,


Hope this helps.
Answer:
slope = - 
Step-by-step explanation:
Calculate the slope m using the slope formula
m = 
with (x₁, y₁ ) = (23, - 30) and (x₂, y₂ ) = (- 7, 18)
m =
=
=
= - 
Answer:
Step-by-step explanation:
41
A ratio is like a fraction, so since you are provided with the numbers its easy to put it into a ratio
depth is 3.8km
width is 7600km
ratio is 3.8:7600
Answer:
an acute triangle
Explanation:
All of the angles are less than 90 degrees, which is an acute triangle.