The number for 5.71 ×10^-3 is .00571
Her brother is 9.
Because she is 3 years older than half his age, subtract 3 - 21. This gives 18. Then divide 18 / 2. This gives 9.
Answer:
B
Step-by-step explanation:
Lie should factor out 3 from the expression
Answer:
x = 45
y = 37
z = 23
Step-by-step explanation:
x + y + z = 105
x = z + 22
x + 15 = y + z
(z + 22) + 15 = y + z
37 = y
x + y + z = 105
(z + 22) + 37 + z = 105
2z = 46
z = 23
x + y + z = 105
x + 37 + 23 = 105
x = 45
Answer:
n is -32
Step-by-step explanation:
