Greg has collected 4385 pennies and hannah has collected 3899 pennies. how many times as great as the value of 3 in 3899

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

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: