Suppose that a class of 20 students is assigned to write an essay. Suppose 3 essays are picked at random. How many groups of 3 are possible? What if the 3 essays picked at random are given awards of $20, $10, and $5. How many groups of 3 are possible now?

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x

Which two transformations are applied to pentagon abcde to create a'b'c'd'e'? (4 points) translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the x-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the y-axis translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the y-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the x-axis