three of the exterior angles of an n sided polygon are 15°, 25° , 70° and the remaning exterior angles are 50°each. find the value of n

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.

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry