Which is equivalent to -sinx for all values of x? A. Sin(90*+x)
B. sin(90*-x)
C. sin(180*+x)
D. sin(180*-x)

An animal shelter has 21 puppies. if the puppies are 28% of the total dogs and cat population how many dogs and cats are in the animal shelter

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it. how many multiple-choice questions are on the test?

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression