Pls hurry math test

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is