A(3, 4) is dilated by a factor of 4 centered at the origin. What is the distance from the origin to A'?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?