book Maths Puzzle Numerical Ability

Evaluate.

3 square root of -8

Read Solution (Total 0)

book Other Question

please help me solve this.
write an equation of a line given (x1,y1)=(12,7) and (x2,y2)=(-4,5)
A solution of ethyl alcohol that is 70% alcohol by weight is to be used as a bactericide. The solution is to be made by adding water to a 95% ethyl alcohol solution. How many grams