Is a 97 percent an A plus?

What are the lines on the street called? What is 10 x 10 x 10 x 10? How do you find an endpoint if you are given the other endpoint and the midpoint? What is 5 divided by three tenths? What number is 16 percent of 63.2? What is 10 over 115 in simplest form? What Chinese state was divided into 36 provinces? How do you 5 percent of 40? What does 1000 seconds equal? What is the highest prime factor of 210? How much is an acre in feet? What is fraction greater than four eighths? What is the ballpark estimate for 227 plus 386? How do you find the perimeter of a quadrent? What are all the equivalent fractions for 6 over 7? What information did the astrolabe and quadrant give them? What is the perimeter of a regular hexagon with radius 12? Who invented polynomial long division? How many 4-digit even integers are there? What is the largest and smallest of two-digit prime numbers whose digits are also prime digits themseleves?