I need help ASAP, I'll give a for whoever gets this correct. Please explain your answer too. I'm trying to study for a math test but I don't know what fraction you can get off this

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?

Measure a and b and find their sum. how are the angles related?

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?