Which of the following is false?

the graduation rate in a city and the rate of unemployment in a city is a positive correlation

a child’s age and a child’s shoe size is a positive correlation

amount of exercise and percent of body fat is a negative correlation

the cost to mail an envelope and the weight of the envelope is a positive correlation

Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

The first term of a sequence is -12. the recursive formula for the sequence is an = an-1 + 9. what are the next 3 terms in the sequence? a) -3, -15, -27 b) -3, 6, 15 c) -3, -6, -3 d) -3, -6, 3