What is a counterexample to this claim?

All perfect squares are even.

A. 4
B. 9
C. 16
D. 36

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?