4) What is the percent of change? Round to the nearest whole number if necessary $99 to $74 a. 34% increase b. 34% decrease c. 25% decrease d. 25% increase 5) A couch costs $1725 and had a 15% mark-up. Find the total cost after mark​

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

pls refer ro the top for answer

idk

step-by-step explanation:

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