Answer:
Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles. The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies.
Answer:
186 pounds
Step-by-step explanation:
let x = pounds on Earth
set up a proportion: 
= 
cross-multiply: 21x = 3906
divide by 21: x = 186
Solution:
100<em>x</em>^2-58<em>x</em>-16
Answer: one solution
Step-by-step explanation:
-3+3=0
0=0
Answer:
-6x-22
Step-by-step explanation:
-6 -2 (3x + 8)
Distribute the 2.
-6 -6x -16
Rewrite the expression.
-6x -6 - 16
Subtract -6 from 16.
The answer is -6x-22
