#22 is Ian. #23.a. is 77%. b. is Yes. c. is 16.
Answer:
<h2>
x = −7 and x = 33</h2>
Step-by-step explanation:

Hi, yes ive been struggling with like terms.
Answer:
Step-by-step explanation:
Don't use 0 as a substitute for θ. 0 is always 0.
cosθ = -5/(2√15)
secθ = 1/cosθ = -2√15/5
Answer:
1/2
Step-by-step explanation: