What are the possible rational zeros of f(x) = x4 + 2x3 − 3x2 − 4x − 12?
a. ± 1, ± 2, ± 3, ± 4, ± 5, ± 6, ± 7, ± 8, ± 9, ± 10, ± 11, ± 12
b. 1, 2, 3, 4, 6, 12
c. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
d. ± 1, ± 2, ± 3, ± 4, ± 6, ± 12

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?

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

Can any one me with the answers to these questions asap?