1. Escribir las siguientes expresiones como una expresión matemática: a) El doble de un número x. b) El triple de un número x. c) El doble de un número x más 5. d) El cuadrado del triple de un número x. e) Las tres cuartas partes de un número x.

Find the values of y: 3y^3(y^2+ 2/3y)=0

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.

The ratios of boys to girls on a soccer league is 2: 5. if there are 28 boys, how many girls are playing soccer? extra points! will mark as brainiest asap