B. he treated john more harshly than he treated the other children
<span>A compound predicate contains two or more predicates in it. Having this in mind, the sentence that has a compound predicate is A. Sandy washed and ironed her clothes. B is incorrect because there is a compound subject, but not a predicate. C is incorrect because of the same thing. D is incorrect because to eat and to study are not predicates here, they are used as adverbial phrases.</span>
<span>There will be four different options of ways they can perform, there will be three choices of ways they can perform for the second band, two choices for ways they can perform for the third band and only one option for the first band. Therefore you would write the equation as follows:
4*3*2*1, 4*3=12, 12*2=24, 24*1=24 so therefore the answer is 24</span>
