Please help me with geometry questions :((

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

If /is a line of symmetry, plot the partner points for the ones shown. noch 6 5 4 -3 -2 -1