Lines A, B, and C show proportional relationships. Which line has a constant of proportionality between y and x of 5/4

Choose 1 answer
A: line a
B: line b
C: line c

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

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?