How do i explain that 40 is 160% of 25?

Will give brainliest series to sigma notation write the following series in sigma notation. 6+10+14+18+22+26+30 example image shown below.

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?