1. When one-half of a number is subtracted
from its thrice, it gives 2500. Find the
number.

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2