Answer:
3rd option
Step-by-step explanation:
- 1 (
)
- 1 is multiplying the complere fraction , not just 1 part of it , so
= - 
Answer:
7
Step-by-step explanation:
The standard form of a quadratic equation is
y = ax² + bx + c where a ≠ 1
c is the number without a variable
Well you equal out the two angles to each other and solve for x. then you just plug the the number you got for x back into the equations to get your answers