Answer:
66 feet
Step-by-step explanation:
30+30=30 feet
6+6=12 yards
1 yard=3 feet
12*3=36
30+36=66
Answer:
2.5-5
Step-by-step explanation:
Answer: Yes.
Step-by-step explanation: Right triangles are 90° and with a square. This is a right triangle. Just remove the line that makes it a triangle, you'll see.
Answer:
The choice two;

Step-by-step explanation:

Answer:

Step-by-step explanation:
Write down the problem;

Simplify

Convert so that the fractions have a common denominator; multiply the numerator and denominator of both fractions such that the denominators are equal;

Add the fractions;

Convert to mixed number;
