A fruit vendor noticed a proportional relationship between the sales of two of its most popular items, pounds of apples and pounds of oranges. The graph below shows the relationship between the two items

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

The function models the number of accidents per 50 million miles driven as a function

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.