Write 0.00056 in scientific notation

1. are the triangles similar and if so why? what is the value of x? show your work.

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

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