What is 5 + 5 x 3 . i add first or multiply

Is a positive integer raised to a negative power always positive

Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?

Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.