It would go along with, "if I get better grades, then I study."
An isosceles triangle is a triangle with 2 congruent sides. The congruent sides are called legs and the third side is called the base. So if 2 sides of a triangle have the same length, then we say that the triangle is isosceles.
561 rounded to the nearest hundred is 600
(I could answer more confidently if I had more context to the question)
I believe the answer to the question is Andre's neighbor pays Andre 10 dollars a week to mow his lawn.
Hope this helps, if not, comment below please!!
:L