The map of a biking trail is drawn on a coordinate grid
the trail starts at p(-2,1) and goes to q(6,1) its goes from q to r(6, -3) and then to s(9. -3)
what is the total length (in units) of the biking trail?
11
15
18
19

Find the value of x for which abcd must be a parallelogram -9-6x x-30

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

How do you solving the solution of each system using elimination?