read the sentence.

calculus, a branch of advanced mathematics, involves concepts such as the rate of change of one variable quantity with respect to another.

which word or phrase is an appositive in the sentence?

a branch of advanced mathematics

Explanation:

In grammatical structure when two elements, like nouns, are placed together with one element defining the other element, such words or phrase is called appositive. In "a branch of advanced mathematics," branch is a noun which has been used to define another noun. i.e., Mathematics.

So, an appositive phrase in the given sentence is a branch of advanced mathematics.

to show how the cables work.

hello : o)

b. les encantan los juguetes nuevos

hope this ! : o)