Determine if the expression -2 is a polynomial, if it is a polynomial, state the type and degree of the polynomial

Which number is irrational? a) 16 b) 18 c) 25 d) 36

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2