Anna and Bella are celebrating their birthdays together. Five years ago. when Bella turned 6 years old, she received a newborn kitten as a birthday present. Today the sum of the ages of the two children and the kitten is 30 years. How many years older than Bella is Anna? (A) 1 (B) 2 (C)3 (D) 4 (E) 5

Find the area of a parallelogram with base 15 yards and height 21 2/3

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

If the scale factor between two circles is 2x/5y what is the ratio of their areas?