I need help on this question

The answer is 63.5

Step-by-step explanation:

9.3(3)+8.9(4)

= 27.9 + 35.6

= 63.5

it is x equals 3   plese mark me really need it

step-by-step explanation:

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