Hello, last question on my test, PLS answer 1] What is the probability that the spinner will NOT land on a 5 or 8?

a] 1/3

b] 1/4

c] 3/4

d] 1/5

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

Acircle has a circumference of 7.850 units. what is its radius?