Answer:
10.3cm
Step-by-step explanation:
h=A
b=131.84
12.8≈10.3cm
Answer: yap
Step-by-step explanation:
15x + 13 = - 12x + 84
15x + 12x = 84 -13
27x = 71
X = 71 / 27
X = 2.63
-9 because a negative plus a negative is a negative so -5+-4 or -5-4 is -9
Answer:18
Step-by-step explanation:6+8+4 =
18