Answer:
1) 
2) 
Step-by-step explanation:
You can convert he mixed numbers to improper fractions:
1. Multiply the whole number part by the denominator of the fraction.
2. Add the product obtained to the numerator.
3. The denominator does not change.
Then:

Observe that, in each subtraction, the denominators are equal, then you can rewrite the denominator and subtract the numerators:

Divide 15 by 4. The quotient will be 3 and the remainder 3.
Then:

Answer:
98 degrees
Step-by-step explanation:
the full degree of a triangle is 180 degrees
52 + 30 = 82
180 - 82 = 98
Answer:
B is the only one that goes through the axis
Answer:
3 kids and 5 adults
Step-by-step explanation:
3×5.5 = 16.5
5×7.25= 36.25
16.5+36.25= 52.75
Answer:
its -3x+56=78 your welcome
Step-by-step explanation: