Answer:
Which studio charges more for each additional charge? B
Raj wants to take 8 classes each month. Which studio is cheaper for him? A
Step-by-step explanation:
Studio one has no additional charge.
Studio two 8 classes would be 100 dollars more than the 70dollar flat fee of studio one.
Equation: 
Since there aren't any like terms and it can't be factored, your answer would be:

Hope this answer helped you!
sin x = cos 54 = sin (90-54) = sin 46
Hence x = 46 deg
Same technique. Sin 21 = cos (5x+9) = sin (90-5x-9)
81-5x = 21
Or 5x = 60
Or x = 12 deg
hope it helps
[tex]{6}^{2} ft - (3.14){3}^{2}(0.5) ft \\ = (36 - 1.57(9) )ft \\ = 21.9{ft}^{2}/tex]