Two investments totaling 64,500 produce an annual income of $3270 one investment yields 8% per year while the other yields 2% per year how much is invested at each rate?

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.

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

3x = 729 solve for x plz . it's urgent. will mark