Define a variable, set up an equation, then solve. A moving truck costs $18 per hour to use plus a $44 service fee. If the total bill was $152, how many hours was the truck rented?

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?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.