Perform the following division: 33/4  ÷  2/8              a.  21/2      b.  15      c.  83/4      d.  12

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.

Perform the indicated operation and write the answer in the form a + bi. (-5 + 2) + (3 - 6i)