tianahillwillis
tianahillwillis tianahillwillis
  • 23-10-2021
  • Mathematics
contestada

How do I calculate a angle that is not named?

Respuesta :

cjjordan12129 cjjordan12129
  • 23-10-2021
On his last three math tests, Mark scored 85, 95, and 80. What grade must he get on his next test
to have an average of 90 for all four tests? (Write an equation; then solve to find the answer.)
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