Of the following which is the solution to 2x^2+3x=-5 use complex solution.

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Ten times the square of a non-zero number is eqaul to ninety times the number