A carpenter wants to cut a board that is 5
6
ft long into pieces that are
5
16
ft long. The carpenter will use the expression shown to calculate the number of pieces that can be cut from the board.

5
6
÷
5
16

Which expression can also be used to calculate the number of pieces that can be cut from the board?

A.
5
6
⋅
16
5

B.
5
6
⋅
5
16

C.
6
5
÷
5
16

D.
6
5
÷
16
5

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.