Let ​f(x)=−5x+18 and ​g(x)=x2+15.

Find ​f(−2​)−​g(−2​).

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?

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts