Help me helppp plss who ever actual helps get brainliest​

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?