In 36 days a girl spent $18 on average what did she spend daly

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?