Find two numbers a and b whose sum a + b is 4 and whose difference a − b is 8 .

What is the solution of log2  (3x  -  7)  =  3? 4 5

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:

Written as a simplified polynomial in standard form, what is the result when (2x+8)^2(2x+8) 2 is subtracted from 8x^2-38x 2 −3?