Which pair of expressions are equivalent? a. 2y – 4 and 2y – 4 + 9 b. 14x – 7 and 7x – 14 c. 9y + 3 + 2 and 3(y + 1) + 2 d. x + y and x – y + 2y e. x + 2y and x – y reset next

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

What is the y-intercept of the line given by the equation

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: