Johnny's car will go 434 miles on 15.5 gallons of gasoline in highway driving. At this rate, how many gallons would be needed to travel 1396 miles on the highway?

Abag has more green balls than blue balls, and there is at least one blue ball. let bb represent the number of blue balls and let gg represent the number of green balls. let's compare the expressions 2b2b and b + gb+g. which statement is correct? choose 1

Which expression is rational? 6. , square root two, square root 14, square root 49

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.