(07.01 LC) The table below shows the number of marbles of different colors in a bag:

Color of MarblesNumber of Marbles
Pink
4
Blue
8
Green
1
Bryn draws a marble from the bag randomly without looking. He then draws another marble from the bag without replacing the first one. Which expression shows the probability of drawing blue marbles in both the trials? (1 point)

Group of answer choices

8 over 13 multiplied by 7 over 13

8 over 13 added to 7 over 12

8 over 13 multiplied by 7 over 12

8 over 13 added to 7 over 13

Brent needs to paint a logo made using two right triangles. the dimensions of the logo are shown below. what is the difference between the area of the large triangle and the area of the small triangle? (1 point) select one: a. 4.5 cm2 b. 8.5 cm2 c. 16.5 cm2 d. 33.0 cm2

Astudent is determining the influence of different types of food on the growth rate of spiders. she feeds one group of spiders two caterpillars twice a week. the other group received similarly-sized beetles twice a week. she records the amount of time required for individuals to reach sexual maturity. her hypothesis is that the spiders feeding on caterpillars will have a faster growth rate because caterpillars have a higher protein content compared to beetles. in this experiment, what is the dependent variable? spiders assigned to different feeding groups. time required to reach sexual maturity number of prey items fed twice a week. growth rates of each group.

Convert the density of surface sea water to metric tons/cubic meter