Determine the Null and Alternate hypothesis.

Are the following statements a valid pair of null and alternative hypothesis?
0 H : = 7
A H : ¹ 7
a. No, the alternative hypothesis cannot contain numeric values
b. Yes, these statements are two non-overlapping hypotheses and evaluate two parameters
c. No, there are no parameters contained in these statements
d. Yes, these statements are two non-overlapping hypotheses and contrast a parameter to a value