Please help I have a timed test will give brainiest ;-;
Which equation, when solved, results in a different value of x than the other three?
-7/8 7 x-3/4=20
3/4+7/8x-20
-7(1/8)x-3/4=20
-7/8(-8/7)x-3/4=20(-8/7)

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Look at the hyperbola graphed below. the hyperbola gets very close to the red lines on the graph, but it never touches them. which term describes each of the red lines? o o o o a. asymptote b. directrix c. focus d. axis

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%