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In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Which linear function represents the line given by the point-slope equation y + 1 = –3(x – 5)?

Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?