(x+a)(x+b) cannot be written as?
A) a(x+b)+x(x+b)
B) x^2+abx+ab
C) x^2+(a+b)x+ab
D) x(x+a)+b(x+b)

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.

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels