Answer:
Step-by-step explanation: add the equations
2x² = 30
x² = 15
y² = 12 - 15
= -3
x4 -y4 = 15² - (-3)²
= 216
Answer:
b = 12
Step-by-step explanation:
b/3 + 4 = 8
subtract 4 on both sides
b/3 = 4
multiply 3 with 4
b = 12
1.9+n
2.10+6
3.2+10
4.17
5.3+3
6.-3+n
Answer:
3
Step-by-step explanation:
The slope of the line would be 3.
Hope this helps.
For the first image can you give us the choices for each one?