A biologists measured the length and mass of 20 reptiles. The equation y=0.3x-2 is the line of best fit for the data, where x is the length, in centimeters, and y is the mass, in grams. Based on the equation, what is the approximate length of reptile that has a mass of 20.5 grams?

(23*2)-12=x     x=34

step-by-step explanation:

addition

step-by-step explanation:

u = -(6/7)w

step-by-step explanation:

place all values with 'u' on one side of the equation.

4u + 8w = - 3u + 2w

4u + 3u = 2w - 8w

further simplify the equation by solving the addition and subtraction.

7u = - 6w

make 'u' the independent variable by placing its co-efficient on the right-hand side.

u = - (6/7)w

you need to rotate this triangle about the origin 270 degrees clockwise to create the full square.