Answer:
15 sin 55 = 12
Step-by-step explanation:
It is a basic trigonometry formula
39 x 5 = (30 x 5) + (9 x 5) = 150 + 45 = 195
He did not change the sign of operation when 28 crossed the equals sign.
C.264.4 that should answer your question
Answer:
If 3x + 8x + 4x = 6x + 63, then what is 5x + 23?
Step-by-step explanation: