Which of the following functions has roots of: -1 +-(plus or minus) (sqrt)5
O x² – 2x – 4
O x^2 – 2x + 1
O x^2 + 2x – 4
2
Ox^2 + 2x + 1

Which formula gives the area of a triangle? a=1/2(b+h)

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year? show your work and explain your reasoning in the space provided below.