Aand b are mutually exclusive events. p(a) = 1/3 and p(b) = 1/2. what is the p(a or b)?

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?

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.