The discriminant of a quadratic equation is negative. One solution is 6+2i. What is the other solution?
O A. 2-61
OB. 2 +61
O C. 6-21
O D. -6+21

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?