How to find the sides of a triangle with only two sides given and no angles in geometry?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Atown has a population of 17000 and grows at 2.5% every year. to the nearest year, how long will it be until the population will reach 19600?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.