Triangle ABC, with A= (2,3) B= (-4,1) and C= (-3,5), is rotated 90 degrees clockwise about the origin to make triangle A’B’C’. What are the y-coordinates of B’

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Rounded to the nearest tenth, what is the value of x

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?