What is the ratio of a : b, knowing that a — b = 3 and a + b = 5

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.

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer