What is the area of a regular pentagon with side length 10 ft?
And please explain how you did it!! Ty

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no