Find the solution to the system of equations

−8x+9y=−21
-3x+9y=−36

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

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%

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i