If anyone knows the answers to any of these questions in the image, it would be of great for me.

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

Simplify the following expression 48^1/2