The expression 6x +15 represents the total cost of a bicycle rental. when danny rents a bike for 2 hours the total cost is 27 dollars. what does the coefficient 6 represent? ?

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42

V=x^4-y^4 pick three expressions that can represent the three dimensions of the prism (each in meters)