Which expression is equivalent to 10 (5 + n)?
Ο 5η + 10η
Ο 50η
Ο
Ο 50 +η
Ο50+n
Ο 50 + 10η

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.