All real numbers less than or equal to 3
Check the picture below
notice, using the 30-60-90 rule, since that triangle is a 30-60-90 triangle, we get 11 = 2x
The answer is 32.07. Rounded to the nearest tenth is 32.1
$154.63
Year 1: $25
Year 2: $27.5
Year 3: $30.25
Year 4: $33.28
Year 5: $36.60
-5
a^2-25=0
a^2=25
take the square root of both sides
a=5, and -5