Rectangle ABCD is dilated by a scale factor of 1/2 with a center of dilation at the orgin. what are the coordinates of the image of point B'

What’s 8y+48 and factor each expression completely

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?