Answer:
9
Step-by-step explanation:
(15×4+3)/4 ÷(4×1+3)/4= 63/4 ÷ 7/4= 9
Go to where 30 degrees is on the unit circle and find the y-coordinate. That is sin30.
I believe it’s the last one
Product means to multiple 12y
increase that by 11 so +11
awnser: 12y+11