Jamal traveled 80 miles in 114 hours. which expression gives jamal's speed in miles per hour?

What number should be added to both sides of the equation to complete this square? x^2-10x=7

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?

Triangle xyz has vertices x(1,3), y(0,0)