At the beginning of a trip, mary had 3 gallons of gasoline in her car she use 50% of gas to drive for 1 hour she thgen added an amount of gas, x, to the tank

Which of the following describes how to translate the graph y = xi to obtain the graph of y = x - 11 - 12 1 unit left and 1 unit down 1 unit left and 1 unit up 1 unit right and 1 unit down 1 unit right and 1 unit up

What is the value of x when x + 7 = 21?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.