Question 1
20 pts
In Kim's homeroom, 4 students have no siblings, 9 students have 1 sibling, 2 students have 2 siblings, and 7 students have 3 or more siblings. Which of the following
describes the probability that a student chosen at random will have 2 or more siblings?
Hint: First find out how many students were surveyed. THEN you will need to count how many said that they have 2 or MORE siblings. Make this a fraction.
Certain (100%)
Unlikely (1%-49%)
Impossible (0%)
Likely (51%-99%)

Which elements in the set below are integers? 12, –3⁄4,√ 25 , –7, √ 5 , 14⁄7, 9 a. 12, √ 25 , –7, 9 b. 12, √ 25 , –7, 14⁄7, 9 c. –3⁄4, 25 , √ 5 ,14⁄7 d. 12, –7, 9

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

How is working backward similar to solving an equation?