The answer is a. increase energy efficiency. This means that we now use less energy to do more thanks to many advances in technology. It could also be due to the use of alternative sources of power such as the sun or win. These new sources provide energy without causing pollution.
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Raiz de 4 no se encuentra en los números naturales asi que por descarte la rpta ea la d
Answer:
5x^2+x-6
Step-by-step explanation:
(5x-1)(x+1)-5x+x-5+x
(5x^2+5x-x-1)-5x+x-5+x
5x^2+x-6
Answer:
surface area of cylinder is 126cm²
Step-by-step explanation:
Height of a cylinder is 8cm
Radius of a cylinder is 2cm
surface area = ?
surface area of cylinder= 2πr(r + h)
=2×22/7×2(2+8)
=44/7×2(10)
=44/7×20
=880/7
=125.71
