Evaluate each expression below for the given value. That is, find the value of the expression when the variable is equal to the value given. Giving 20 points.

a. 2a - 7 when a = 3

b. 10 + 4m when m = -2

c. 9 + (-2n) when n = 4

d. x/2 + 5 when x = 6

Can any one me with the answers to these questions asap?

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?