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?

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81