70.76 - 2.84 × (5.97 - 3.97)4
A.
48.04
B.
25.32
C.
41.32
D.
1,086.72

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.

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.