Alex used 3/8 of a can of paint to paint a chair he use less than that amount to paint a stool what part of the can of paint my alex have used to paint the stool

Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)

Need ! give step by step solutions on how to solve number one [tex]\frac{9-2\sqrt{3} }{12+\sqrt{3} }[/tex] number two [tex]x+4=\sqrt{13x-20}[/tex] number three (domain and range) [tex]f(x)=2\sqrt[3]{x} +1[/tex]

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?