Which fraction is equivalent to eight twelfths? a rectangle partitioned into twelve equal parts with eight parts shaded and the fraction eight twelfths

Question 1 options:

a rectangle partitioned into three equal parts with two parts shaded and the fraction two thirds

a rectangle partitioned into twelve equal parts with ten parts shaded and the fraction ten twelfths

a rectangle partitioned into six equal parts with five parts shaded and the fraction five sixths

a rectangle partitioned into four equal parts with one part shaded and the fraction one fourth

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

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.

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.