Answer:
Y=2
Step-by-step explanation:
9x - 4 y = 18
Answer:
30 degrees
Step-by-step explanation:
Because lines AB and CD are parallel, the angle rules such as same side interior angles, or opposite side exterior angles. Angle 4 and angle 8 are corresponding angles, which means that these angles are congruent. That means that measure of angle 8 would be 30 degrees.
Answer: see proof below
<u>Step-by-step explanation:</u>

Use the following Identities:
sec Ф = 1/cos Ф
cos² Ф + sin² Ф = 1
<u>Proof LHS → RHS</u>






I feel sorry for but don't worry sometimes people fail but it's ok because I fail to not everyone get's good grades