Answer:
number 2
Step-by-step explanation:
15x + 30y = -10....reduce by dividing by 5
3x + 6y = -2...same as first equation...same line ..means infinite solutions
Answer:
44°
Step-by-step explanation:
cos B = 0.7193 = 44°
2. 4+4+4+4+4+4+4+4+4
2. 6 x 3
3. h+h+h+h+h+h+h
4. 5j
5. 10u
Answer:
96
Step-by-step explanation:
all angles of a triangle add up to 180 so...
34 + 50 + x = 180
84 + x = 180
x = 96