0.628 is your answer. hope this helps
Answer:

Step-by-step explanation:
Given


Required: Angle A
This is calculated using:

From the attachment;


So:


Take arctan of both sides

----- approximated
Answer:
1. her weekly allowance is 16 dollars
Step-by-step explanation:
Answers:
Input 0 = Output 25
Input 1 = Output 23
Input 4 = Output 17
Input 7 = Output 11
Equations:
25 = 25 - (2*0)
23 = 25 - (2*1)
17 = 25 - (2*4)
11 = 25 - (2*7)
Don’t know if this is right or not, if it isn’t sorry!