10 calories i believe because if you divide 100 divided by 10 that will equal 10
Answer:
2
Step-by-step explanation:
Use order of operations PEMDAS
3^2 = 9 * 2 = 18
20-18= 2
Answer:
3. C
4. D
Step-by-step explanation:
3.

Once 

4.
A quadratic equation has no real roots when the discriminant (
) is negative.
.
Let's try all the equations:
(A)

(B)


(C)

(D)
