Which statement describes a strong us dollar

For the function, f(x) = -5x 2, find f(-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?

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68