For each expression given in the first column, select an equivalent expression

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

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