I NEED HELP i don’t know how to solve this and show my work. i have not been paying attention yaw

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?

Twice the sum of a number and 2 is equal to three times the difference of the number and 8. find the number.