Carlos is measuring the plants in his garden. Which is the best way Carlos can describe the amount of variation in the heights of plants?

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

Brady has a 20 year fixed rate mortgage for $215,500 with monthly payments of 1,305.89.the annual interest rate is 4%. what is the total cost of the principal and interest for this loan rounded to the nearest dollar

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