The sides of a square garden are 8 feet long.
a. you enlarge the garden to create a 25% increase in the length of each side. find the length of the new sides.
b. find the percent change in the perimeter of the garden, rounding to the nearest tenth if needed.
c. find the percent change in the area of the garden, rounding to the nearest tenth if needed

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?

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.