Lindayaomerrygraceviz
Answered

Evaluate.
1. 2ײ+5Y
2. 2×+7Y-6/3×-Y
3. 4×-2y
4. a²-b²+c²
5. ab-6b+9c
pa answer po help​

Sagot :

Delacruzedrichgavreeviz

Answer:

number 5. (7)(4)-6(4)+9(-3)

=28-24 - 27

=4 - 27 = -23