Which of the following is the general term for the sequence
-a, a2, -a3, a4, 15 points, i really don't get this
choices:
a(-1)n - 1
-a(-a)n-1
(-1)an + 1
(-a)n + 1

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

X+ y = 5 ; x - y =3 solve using linear combination

Mama mia restaurant used 1 2 2 1 ? of their mozzarella cheese making pizza and the remaining 6 4 64 ounces making pasta. how many pounds of mozzarella cheese did mama mia start with?