Thực hiện phép tính toán sau : a)23 mod 9
b)50 mod 5
c)36 mod 3
d)44 div 3
e)19 div 5

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.

Which of these phrases uses parallelism to create a sad tone?

In triangle abc, angle c is a right angle. find the value of the trig function indicated. find tan a if c = 17 and a = 8