if the price of gas went from $3.499 a gallon to $3.079 a gallon what was the percent change in the price of the gas. was there an increase or decrease?

The answer is decrease since the number went down.

The percent change should be -12 percent

last option

step-by-step explanation:

given that δdef is right and isoceles,

assuming that side df is the hypotenuse means that de an ef are the other 2 sides that intersect at 90° and are of equal length.

because they are of equal length, we can say that they are congruent

because they intersect at 90°, their slopes must be opposite reciprocals.

only the last option satisfies these conditions.

560

step-by-step explanation:

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