PLEASE HELP!! sophomore geometry will give brainliest 1. How do you dilate a figure on the coordinate plane and determine its scale factor?
2. How do you determine if polygons are similar?
3. Explain one way can you determine if two triangles are similar, without knowing all the angle
or side measurements.?

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.