Chris wants to arrange his cards so that there is exactly the same number of cards on each page. if he can arrange the cards both by 8 and by 12, what is the smallest number of cards he could have?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

What is the equation of a line passing through (-6,5) and having a slope of 1/3