Lexie began making posters for the school awards banquet. she can make 6 posters per minute. zach joined her 10 minutes after she started. he can make 7 posters per minute. lexie continued to make 6 posters per minute. together, they made 125 posters. how many posters did zach make?

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

Abox of chocolates costs $7. which equation relates the number of boxes sold (x) and total cost of the boxes sold (y)?

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?