Since q(x) is inside p(x), find the x-value that results in q(x) = 1/4

so we conclude that

therefore

plug

into p( q(x) ) to get answer


B) 35
the formula is .5(outer angle - inner angle) = .5(100-30)=.5*70=35
X = 4y
3x - y = 70
substitute the x in the second equation with the other half of the first equation.
3(4y) - y = 70
12y - y = 70
11y = 70
y = 6.36 repeating, or 6 4/11
now use this to solve first equation
x = 4 (6 4/11)
x = 25.45 repeating
done
The answer is in the photo