At a potluck dinner, there are 19 salads, 23 main dishes, and 12 desserts. How many more main dishes are there than desserts? A. What operation will you use to solve this problem?

B. Write and solve an equation to answer the question, "How many more main dishes are there than desserts?"

The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x + 1) where x is the number of years since records began to be kept at the school. what is the record for the long jump 11 years after record started being kept? round your answer to the nearest tenth.

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?

This circle is centered at the origin, and the length of its radius is 6. what is the circle's equation? a. x^2+y^2=36 b x^2+y^2=6 c x+y=36 d x^6+y^6=1