Which expression is equivalent to −1.3+(−4.9)+(−2.6) ? a −(1.3−4.9)+(−2.6) b −1.3+(4.9+2.6) c (1.3+4.9+2.6) d −1.3−(4.9+2.6)

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is: