Please help with these two problems! Need to use the equation to predict the skid distance at 50 and 100 mph. Any help will be greatly appreciated!

The angles in a triangle are represented by 5x, 8x, and 2x+9. what is the value of ? a.10.8 b.11.4 c.9.7 d.7.2

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?

When solving a logarithm equation, how do you find the missing variable ?