Show that 4^n + 4^n+1 + 4^n+2 + 4^n+3 + 4^n+4 is divisible by 11 for any positive integer n

Which of the following expressions is equal to 2x^2+8

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics