2. At target Carla bought a dress(d) and a backpack(b) for a total cost of $54. If the price of the backpack(b) is $6 more than 2 times the price of the dress.
How much did the backpack(b) cost?

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

Ineed to know the answer to this algebra question.

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?