Which of the following is an arithmetic sequence? n
O
1
-1
WN
3 4.
-3 1-1
an
n
O
1
2
2
-2
3 4
-6-10
an
n
o
1
3
2
6
3
9
4.
15
an
n
1
4
O
1 4
2
14
3 4
24 32
an

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

If the value of cos330°is√3/2 then find cos 165°.

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?