What is

4k^2-2k+4=-4
Factored?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

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:

Tanyss's house has 25 windows. her brother has washed 22 of the windows. what percent of the windows has her brother washed?