(a)
Two lines meet at a point that is also the endpoint of two rays.
Part A
Which equation can be used to determine the value of ?
A x+4x=90
B x+4x+27=180
C x+27+63=90
D x+4x+27+90=180
(b)
Part B
What is the value of x?
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
To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay