Write the equation of a line that passes through (4,5) with a slope of 3

y = 3x - 7

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 3 , then

y = 3x + c ← is the partial equation

To find c substitute (4, 5) into the partial equation

5 = 12 + c ⇒ c = 5 - 12 = - 7

y = 3x - 7 ← equation of line

72 fudge and 75 toffee

step-by-step explanation:

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19.side- angle- side

20. angle- side- angle

step-by-step explanation: