(a) Which of the following has only one subset? (1) (i) {2} (ii) { } (iii) {Ǿ} (iv) None of these

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.

Let f of x equals the integral from 1 to 3 times x of the natural logarithm of t squared. use your calculator to find f″(1).

There are 16 tablespoons in one cup. which table correctly relates the number of cups to the number of tablespoons?