Simplify the expression (3-4i)(1+-i)

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

Prove that 16^4-2^13-4^5 is divisible by 11.