Select the correct answer.
in right triangle abc, 2c is a rіght аnglе аnd sin a = sin b. what is mzа?
оа. 30°
ов. 45°
ос. 60°
od. 75°

The solution set for 5v2 – 125 = 0 is

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13