Solve the equation : 2x + 7 = 21 and find the value of x. Is 2x + 7 = 21 a first degree equation or not? Justify your answer.

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

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%

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)