Carl earned grades of 62, 78, 59, and 89 on four math tests. What is the mean of his grades?
A. 68.5
B. 70
O c. 72
D. 74
C
E. 75.5

Which expression is equivalent to? assume x > 0 and y > 0.

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so