Are 77 and 51 relatively prime?

A rectangle and triangle have equal areas the length of the rectangle is 12 in and its width is 8 in if the base of the triangle is 32 in what is the length in inches of the altitude drawn to the base? how much fact fluency can you get on reflex math? Change two thirds into a percentage? How do you express 165.1 billion numerically? What size is the circumference of a circle of 80 meters diameter? Can you times something by 8 to get 100? A train with two hundred cars takes miles to stop? What is 250 percent as a fraction an decimal? What is 1 percent of 70000? What is a demical for 28 percent? What 400m equals to in sqm? What is 8-50 as a decimal? What is the expanded form of 371 808? Is two fifths greater or less than five sixths? What is 90 percent of 10000? What is equation of vertical and horizontal plane? What does a triangle symbol mean a shoe is made of? What is less than .485? Who did Mark write to in the Bible? What is the only three digit perfect cube that is palindrome?