Apair of fair dice is cast. what is the probability that the sum of the numbers falling uppermost is less than 4, if it is known that one of the numbers is a 2

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab