Tessa bought stock in a restaurant for $215.00. her stock is now worth $258.00. what is the percentage increase of the value of tessa's stock?

Answer

20%

Step-by-step explanation:

% increase = (258-215)/215*100

= 43/215*100

= 1/5*100

=20

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answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere

answer: -2+√x,-2-√x

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