Answer:
y = 5x +4
Step-by-step explanation:
x has to equal 1
y = 5(1) +4 = 9
1) By the inscribed angle theorem, 
2) By the inscribed angle theorem, arc RT measures twice 63 degrees, or 126 degrees.
Answer:
B) 12
Step-by-step explanation:
Opposite sides are congruent
Find the GCF of both numerator and denominator and then divide both the denominator and numerator by that and you will get the simplified fraction.