If 5(x - 4) + 2 = -173, what is the value of x?

7x^2-9x+5=0 find the discriminant and number of real solutions

Abag contains 5 red marbles , 6 blue marbles and 4 green marbles. susie selects a marble and returns it to the bag before selecting another marble. if susie selects a red marble 6 out of 20 times, what is the experimental probability that the next marble she selects will be a red marble ?

Two terms in a geometric sequence are a5=15 and a6=1 what is the recursive rule that describes the sequence?