A)

is
true. There are infinite solutions.
B)

is false. There is no solution.
C)

is false. There is no solution.
D)

is false. There is no solution.
Answer:
Step-by-step explanation:
Increased amount = 3 - 2.50 = $ 0.50
Increase percentage = 
= 5 *4
= 20%
If you use the distance formula you get 10.
Answer:
C
Step-by-step explanation:
They are all integers so they are rational numbers, they are whole numbers as well except there are negative numbers so they are not all natural.
1.00 is 1, you may know how quarters work, four equal a dollar, one quarter is 25 cents, 4 are one dollar, 1/4, or one diveded by 4, is 0.25