its 18 because if u add 18 to 34
Answer:
10n-13
Step-by-step explanation:
n is positive and 9n is positive so you add 9n and n
9n+n=10n
10 is negative and so is 3 so you do negative 10 minus 3
-10-3=-13
10n-13
Answer:
11/4 or 2 3/4
Step-by-step explanation:
add numerators keep the same denominator
The area of the triangle is 50in2, so she can create only 2 triangles.