Of 300 students in the cafeteria, 180 had lunch. Write the simplified ratio of the students in the cafeteria to the students that had lunch.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x, y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2