Alocomotive is 58 ft long and 11 ft wide. a special effects designer makes a model that is 20 in. long. how wide should it be?

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

Which table shows a proportional relationship between miles traveled and gas used?

How do you write something in scientific notation?