Which would you simplify in order to evaluate the expression when the value of the variable is 2? 1. 8.9/2
2. 8.9 + 2
3. 8.9(2)
4. (8.92)

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13

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step-by-step explanation:

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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

answer: 1.06 km per sec

step-by-step explanation:

39.6 m=63.72 km

60 min in an hour so 63.72/60=1.06