The sum of the angle measures of a triangle is 180° m∠A + m∠B + m∠C = 180°
Triangle Sum Theorem

Exterior Angle Theorem

Third Angle Theorem

Centroid Theorem

the direct variation says that:

then the equation is of the form is given by:

            where k is the constant variation.

from the given table:

consider any value of x and m(x)=y

x = 2 and m(x)=y = 3

substitute these value in [1]; we have;

divide both sides by 2 we get;

⇒

check:

put x = -1 and m(x) = -1.5

substitute in the equation:

-1.5 = -1.5                   true

therefore, the function m(x) represents a direct variation

graph of this function as shown below:

-1/2 +2

step-by-step explanation:

cant see photo

step-by-step explanation:

1 mph

step-by-step explanation:

if the question is asking how much does she drive per mile then,

13 / 13 = 1 mph