Luis has some nickels, dimes, and quarters. The value of all of the coins, in cents, is represented with the expression shown. 5(2 + 2) + 10x + 25 (3x + 1)
Which part of the expression represents the number of quarters that Luis has?
A. x+2
B. 10x
C. 3x+1
D. 25(3x+1)

B.
10.
C
3.2 +1
D.
25 (3x + 1)

Awrestling tournament begins with 128 competitors. in the first round, each competitor has 1 match against another wrestler. the winner of each match moves on to the next round until there is a winner. write a sequence in which the terms represent the number of players still in the tournament at the end of each round. describe the sequence? how many rounds are in the tournament?

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?