A cricketer has a certain average in 9 innings. In the tenth innings he scores 60 runs, thereby increased his average by 5 runs. What
is his old average?​

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?