remember foil = First Outside Inside Last
3x*3x =9x^2
3x*-5=-15x
3x*-7=-21x
-7*-5=35
add your terms together in standard form
answer is C
Answer:
∠G = 50°
∠H = 110°
∠I =20°
Step-by-step explanation:
No, it is not a function.
