shanmugamsundaram436 shanmugamsundaram436

21-05-2021
Mathematics

contestada

20. If x=2a+3b and y = 20-3b, find (x+y)(x-y).

Respuesta :

21-05-2021

Answer:

i think 38

Step-by-step explanation:

Answer Link

Otras preguntas

Given AB= BC= CD. What is the measure of angle AFB?

What is the theme of "Tales of a Salt Revolutionary

28 6500 as a decimal

Which of the following is not an example of a unique adaptation that suits an organism to a particular environment? A. The blood of all human is red based on it

Select the correct answer from each drop-down menu. Determine the dependence between the quantities for the given graph.

Santos wants to know what percentage of people who get married in his county knew each other in school. Which of the following survey methods will allow Santos

i need help ASAP !!!

how do molecules move in a solid ?

At the zoo, there are 3 fewer ferrets than twice the number of tigers. If there are 21 ferrets, what's an equation for the number of tigers at the zoo?What is t

i need help asap with this whole question!! what is the answer? with work. please!!