Pl help 5 x (3 + 4) − 4.

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°