if Jin drew nine side and 9 vertices in what polygon did he draw? rectangle rhombus triangle or Pentagon.​

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i

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