Complete the recursive formula of the arithmetic sequence 8, -5, -18, -31, d(1) =
d(n) = d(n - 1)+

This doesn’t make sense to me it’s supposed to be lcm ( least common multiple )

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?