Find the exact value of the expression. do not use a calculator.

sec 60° - sin 60°

attached are answer options, if you could show step by step that would be great.

Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices

Which is the correct first step in finding the area of the base of a cylinder with a volume of 26x cubic meters and a height of 6.5 meters? v=bh 6.5=b(26x) v=bh v=26pi+(6.5) v=bh v=26pi(6.5) v=bh 26pi=b(6.5)

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents