Helene is doing a probability experiment. she picks a marble from a bag without looking. she writes down the marbles color in the table. then she puts the marbles back into the bags. the table shows her data.

color | number of times picked

| red | 15 |

| blue | 6 |

| green | 12 |

| black | 20

| yellow | 7 |

based on the data in the table what is the probability that helene will pick a green marble next?

a.4/5

b.3/4

c.1/5

d.1/10

e.1/12

Icould really use some with this question.

Abdul is making a map of his neighborhood he knows the following information: his home, the middle school, and high school are all on the same street. his home, the elementry school, and his friends house are on the same street. the angle between the elementary school, middle school, and his home is congruent to the angle between his friends house, the high school, and his home. what theorem can abdul use to determine the two triangles are similar? a- side side side similarity theoremb- angle angle similarity theoremc- corresponding parts of similar triangles are congruentd- pieces of right triangles similarity theorem

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.