Answer:
thank you very much
Step-by-step explanation:
C. because y is positive in quadrant 2, and y on the unit circle denotes sin, sin is positive in quad 2. csc is 1 over sin, so it too must be positive in quad 2
The answwr should be 7x+2 because the x squared get cancel when combining like terms
Answer:
There are 4845 ways to select four patrols
Step-by-step explanation:
Total number of students in 5 th grade = 20
No. of students selected for patrols = 4
We are supposed to find In how many ways can the four patrols be selected
We will use combination
Formula : 
Substitute n = 20 and r = 4
So,the four patrols can be selected in no. of ways = 
Hence There are 4845 ways to select four patrols
B I think I'm not smart at all I'm sorry if you get it wrong :(