If point

is on the unit ircle, then:

Since, the point is in the second quadrant, x is negative.
Thus,

Part A:

Therefore,

.
Part B:

Therefore,
Answer:
Greatest number of flowers in a bouquet = 9 flowers
Step-by-step explanation:
Total no. of roses = 18
Total no. of daisies = 9
Total no. of tulips = 45
To find the greatest no. of flowers that can be arranged in the bouquet such that there are same number of flowers and same type of flowers in the bouquet, we will take the H.CF (highest common factor) of 18,9,45
H.C.F of 18,9,45 = 9
Hence, the greatest number no. of flowers that can be arranged in the bouquet = 9 flowers.
Its not really hard you just have to explain when like its not really complicated
Answer:
4 friends evenly divided up a n -slice pizza.
So, the number of slices each friend received = n/4
Now, Harrison ate 1 fewer slice than he received. As he received n/4 slices, so 1 fewer than n/4 means......
Harrison ate n/4-1 slices of pizza.
Step-by-step explanation: