Simultaneous equations are two linear equations that can be solved using bar models. By remembering that the same letter will always have the same value we can work out the missing values. To solve ...

Tiny plants, like moss, are easy to overlook. They're often as small as an eyelash, and they tend to grow on the ground in ...

We have looked at how to solve equations with one unknown value, but what happens when there are two unknown values? An equation with two unknown values will have infinitely many solutions. or \(x=100 ...

The ability to respond to changing surroundings was once considered exclusive to complex living organisms. Then came ...

Japanese researchers uncovered a universal rule describing why life’s growth slows despite abundant nutrients. Their “global ...