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**Hi888** Please explain how these questions will be solved to get these answers.

Q: Solve for z: e^2z-1 =3

A: (In3+1)/2

Q: A student's test score was 650 on a scale of 200-800. Convert this score to a scale of 0-100.

A: 75

Q:If f(x) = 4-x^2 and g(x)=1-x, find f[g(-2)]

A: -5

Q: Find x: 3^2x-3x= 72

A: 2

Q:Simplify (a^-2 - b^-2) / (a-b)

A: - (a+b) / (a^2b^2)

Q:Find an equation of the circle having center (4, -3) and radius 5.

A: x^2+y^2-8x+6y=0

Q: What is the solutions for the equation ^3√x^2 - ^3√x - 6 = 0

A: (-8, 27)

Q: Find the number of consecutive odd integers beginning with 23 which are necessary to make a sum of 608.

A: 16

Q: Find the vertex of the parabola 4x=y^2-4y

A: (-1,2)

Q: A cube has a diagonal of length 5√3. Find its surface area in sq. units.

A: 150

I really need to know this ASAP

Thanks