ANSWER ALL THE QUESTIONS BELOW PLS!! How many elements are there in this set: {red, orange, yellow, green, blue, indigo, violet}?

Type the set for positive multiples of 4 that are less than 20. Use proper notation and commas but NO spaces.

Given P = {1,3,4} and Q = {2,3,4,5,6}, which statement is correct?

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample