Decide whether each equation is true for all, one, or no values of x.
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2.5 milligrams is equivalent to how many grams

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?

Which is the standard form for this number? (2 x 10) + (5 x 1) + (8 x 1 10,000 )