Can someone help me? i don’t understand this.

Can (3,5 and square root 34) be sides on a right triangle?

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.