Please help asap! i didnt do this assignment on friday and it due today at 9 am

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.

Which ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet