Which of the following represents the sum 3+(-7)? Assume that red tiles represent negative numbers and blue tiles represent positive numbers.

three blue tiles plus seven blue tiles

three blue tiles plus seven red tiles

three red tiles plus seven red tiles

three red tiles plus seven blue tiles

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

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%