Answer:
2x + y^2
Step-by-step explanation:
We group the like terms, so:
x + x = 2x
y * y = y^2
Sorry pics aren't good quality...
Answer:
a = -8
Step-by-step explanation:
you can solve this proportion by cross-multiplying:
4(a + 9) = -1(a + 4)
now distribute to eliminate parentheses
4a + 36 = -1a - 4
5a + 36 = -4
5a = -40
a = -8
the number would be 17 and it would 3 weeks not including getting to 11 or 2. to get to get to 17.
8 7/16 - (-2 4/9) =
8 7/16 + 2 4/9 =
8 7/16 = 135/16 = 1215/144
2 4/9 = 22/9 = 352/144
1215/144 + 352/144 = 1567/144 =10 127/144