Un cuadrado que tiene cómo longitud de lado 3x − 2 tiene un perímetro de 36 metros. Cual es la longitud de la incógnita y la longitud del lado?

49xy +34y - 72z. determine the degree of the polynomial

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.