Answer:
9.354kg
Step-by-step explanation:
Answer:
$7.80
Step-by-step explanation:
$2.60 * 3 = $7.80
Answer:
9 months.
Step-by-step explanation:
use a calculator
To find the average, you have to add all the numbers up and then divide by the amount of numbers you added together.
Equation: (86+87+91+x)/4=98
Solve for x:
86+87+91+x=98*4
264+x=392
x=392-264
x=128
The fourth number is 128
Answer: x=2
Step-by-step explanation: f(x) = x + 8
f(x) = 10
10 = x + 8
minus 8 from the both sides
10 - 8 = x
2 = x
x = 2
