Evaluate the expression 2[x(2y+3z)] when x=8, y=3, and z=1

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Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost