It's a little hard to tell from the gibberish in the choices but let's go with
Answer: 7 + 6yz
which is of second degree in its variables and has two variables. That's two differences than the first three, which are first degree univariate.
Answer:
y=5/4-10
Step-by-step explanation:
Answer:
156.5
Step-by-step explanation:
Thinking process:
The area can be calculated using the formula:

We let the substitution take place.
Therefore, we let 
Thus, 
So,

Also, the interval of the integration changes to [ 37, 65]
Thus,

= 
= 156.5 units²
Answer:
m=29
Step-by-step explanation:
add 20 to both sides and that is what m equals
Answer:
33
Step-by-step explanation:
2x^2 +3y
Let x =3 and y=5
2 *(3)^2 +3(5)
We do exponents first
2 * 9 + 3(5)
Then multiply
18+ 15
Add
33