Steven earns extra money babysitting. he charges $31.25 for 5 hours and $50 for 8 hours. explain what the constant rate of change means in this context.

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?

Place the following steps in order to complete the square and solve the quadratic equation,

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?