Plz

factor x2 + 2x - 15.

a)
(x - 5)(x + 3)

b)
(x - 5)(x - 3)

c)
(x + 5)(x + 3)

d)
(x + 5)(x - 3)

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.