Answer:
19
Step-by-step explanation:
9+10 is 19.
Answer:
21
Step-by-step explanation:
the sum of the express of the summation of the notation
<h3>
Answer: 49</h3>
Work Shown:
Replace x with 3, replace y with -8. Use order of operations PEMDAS to simplify.
x^2 + y^2 + x*y
3^2 + (-8)^2 + 3*(-8)
9 + 64 - 24
73 - 24
49
72 + 12x = 24 + 24x
48 = 12x
4 = x
It‘ll take 4 years.
