Which expressions are equivalent? select equivalent or not equivalent for each pair of expressions. 8x(4+z) and 32x+8z 9(g+h) and 9g+9h

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

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?

Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph