Urgent me pls 80 points ! which expression is equivalent? (5x−2y2)−3 a) 125x6 y6 b) x6 125y6 c) x6y6 125 d) x8 125y8

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

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?