exam Maths Puzzle Numerical Ability

Please help me with the following. Thanks in advance.

sqrt of x-2=1

sqrt of x^3=27

3^sqrt x^2=9

Is (sqrt of x)^2 an identity (true for all nonnegative values of x)?

Read Solution (Total 0)

exam Other Question

5floz. of a 2% alcohol solution was mixed with 11floz. of a 66% alcohol solution. Find the concentrationof the new mixture.

I need to know how to set the problem up! thanks identify the slope (m) and y-intercept (b) for the line that could be graphed for each given linear equation.
y+2x=0