7x+8(x+1/4)=3(6x-9)-8

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.