Match the discriminant to it's possible solutions. b2-4ac > 0
b2 - 4ac <0
52-4ac0
12 real solutions
#: 2 imaginary solutions
:: 1 real solution

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?