Which equation represents a proportional relationship between x and y a.)y=0.25x+1.25 b.)y=14x-2 c.)4x+3 d.)y= x

Which term best describes the association between variables a and b

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.