Find the nonreal complex solutions of the equation. x2 - 4x + 20 = 0
[4+81,4-8i)
(2+41,2-4i)
(6, 2]
{-2441-2-4i}

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

Which of these angles are complementary? a. 45o and 45o b. 63o and 117o c. 45o and 135o d. 90o and 45o