Identifique se cada um dos elementos: -4; 1/3; 3; 0,25 pertence ou não a cada um desses conjuntos

A = { x | x é um número inteiro}

B = { x | x < 1}

C = { x | 15x - 5 = o}

D = {x | -2 x 1/4}

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?