exam
Maths Puzzle
Numerical Ability
Isaac is nine years older than Kylie. Isaac is four times as old as Brian was three years ago. Brian is eighteen years younger than Isaac. How old is Kylie?
Read Solution (Total 0)
exam Other Question
Help is needed.
For the exponential function ex and logarithmic function log x, graphically show the effect if x is doubled. Thank you!
x^2+9x+14=0