The expression 2(l + w) is used to calculate the perimeter of a rectangle, where I is length and w is width. If the length is 2/5 unit and the width is 1/5 a unit, what is the perimeter of the rectangle in units? 3/5
1
1 1/5
2 3/5

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12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms