Найдите все натуральные такие, что 3+1 является степенью (возможно, первой) простого числа.

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?