Which of the following coordinates is located in Quadrant I? (-3,-4)
(-1,2)
(4,6)
O
(2,-1)

Nine more than four times a number is the same as one less than twice the number. find the number?

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.

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?