What rule applies most closely to this word?
predict-
group 1. if the root is a full word, the ending is usually -able.
group ii. when the root is a full word except for a final e, the forms usually are spelled with -able
group iii. the suffix -able always follows i.
group iv. when the root has other forms built on the letter a, the -able form is used.
group v. when the root ends in hard cor hard g, -able is used.
group vi. when the root is not a full word,-ible is used.
group vii. when the word has an immediate -tion form, -ible is used.
group viii. when the root ends in ns, miss, or soft cor g, ible is used.

the sentence that contains a restrictive clause is a.they decided to meet where the band was performing

explanation:

a restrictive clause is also known as an essential clause

recent brain research has shown some surprising benefits as a result of formal musical training. learning to play a musical instrument appears to develop parts of the brain that can even influence academic results. the studies indicate that the earlier a child begins training, the more benefits there are. one such study showed that children who began musical studies before the age of seven had a more developed brain in the region where language production and auditory processing take place. scientists believe there is mounting evidence to show that early musical training can improve brain function.

explanation:

may i see the passage?

i am not sure, but i think the correct answer is a.

hope it : -)