An oil tank holds 270 gallons of oil. On March 1st, the gauge showed it to be 2/3 full. At the end of the month, the tank was 1/9 full. How many gallons of oil were used in March? the answer is the whole number

How do you use the elimination method for this question? explain, because i really want to understand!

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:

Rewrite the following quadratic functions in intercept or factored form. show your work. f(t) = 20t^2 + 14t - 12