A card is chosen at random from a deck of 52 cards. It is replaced and a
second card is chosen. What is the probability both cards will be an Ace? a. 1/169 b. 2/13 c. 1/26 d. 1/13

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

Which expression is rational? 6. , square root two, square root 14, square root 49

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]