** best answer gets brainliest! ** using a number line, find both the intersection and the union of the following intervals:
a) (−3, +∞) and (4, +∞)
b) (−∞, 2) and [0, +∞)
c) (−∞, 6) and (−∞, 9)
d) [1, 5] and (0, 8]

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?