Suppose that it cost $17 to place a classified advertisement in the newspaper, plus $3 for each line. then the cost to place an ad x lines long is given by y dollars, where y=3x+17

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?

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?