Answer:
a= -3, b= -5, c= -1
Step-by-step explanation:
Quadratic Equation: 
Hope this helps!
Answer:
2, 1/3 inches in 3/4
basically you multiply the denominator to match the other problem so 1/3 becomes 4/12 and 3/4 becomes 9/12
so there are 2 1/3 inches in 3/4, this is a sort of rough explanation I reccomend going on Khan Academy and looking for something to help you there
The positions of the letters must correspond. Appropriate choices are ...
∠M ≅ ∠Q
QK ≅ MJ
MN ≅ QR
I guess the would help you