Astudent has gotten the following grades on his tests. what is the minimum grade he must get on the last test in order to have an average of 81? 71, 96, 90, 73 the minimum grade he must get on the last test in order to have an average of 81 is ? . (simplify your answer.)

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work:

How is the interquartile range calculated?