Which of the following statements are mathematical statement?

p: math is not hard.
q: bill gates is the founder of microsoft.

a. p only

b. q only

c. p and q

d. none

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?