Use the Pythagorean Theorem:
a² + b² = c²
4² + b² = 8.5²
16 + b² = 72.25
b² = 56.25
b = 7.5
The ladder reaches a height of 7.5 ft on the wall
Answer:
8
Step-by-step explanation:
the degree is the highest exponent value
Answer:
all real numbers
Step-by-step explanation:
The domain of <em>any polynomial function</em> is "all real numbers." There is no value of x for which y is undefined.