Sallie earned a grade of exactly 90% for a marking period based on six equally weighed tests. The four test papers she can find have grades of exactly 83%, 96%, 81 %, and 82%. What is the sum of the percent scores of the two missing grades?

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Which statement describes surface features called maria on the moon