The lines given by the equations y = 9 − 1 3 x and y = mx + b are perpendicular and intersect at a point on the x-axis. What is the value of b?

Our goal is to collect email addresses from 60% of customers who purchase a product." so that means if i talk to 95 customers, i need to persuade to provide an email address?

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.