3. M(-2;4), N(k;-8) and R(-5;1) are given with MN = NR. a) Determine the value of k. ​

c: lkllmn.

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answer: the anser is 3

step-by-step explanation:

c- 2o is equal to 9

$5.41

step-by-step explanation:

$20 - $14.51 = $5.49.

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a