Bonnie filled her car's gas tank. She put in 10 1/2 gallons and paid $42. Write the ratio in fractional form and determine the cost of gasoline per gallon (show work)

What is the base of 1/9 to the power of 2

How can writing phrases as algebraic expressions you solve problems?

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.