At the school store, colored pencils are reduced from $2.40 a box to $2.00 a box. what is the percent of decrease?

Determine which postulate or theorem can be used to prove that lmn =nmo

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

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?