Consider u = {x\x is a real number}.
a = {x\x € u and x + 2 > 10}
b = {xlx € u and 2x > 10}
which statements are true?

Y=4x^2+x-1 solve using quadratic formula

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

If angle 2=3x +1 and angle 3=2x +4what is angle 2