Answer:
D.
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
First find the circumference of the circle with radius of 9 inches:

The full angle has 360°, so, to find the length of the arc DE, you can write:

which yields a proportion:

Answer:
Step-by-step explanation:
Not all operations, only multiplication and division is done on both, numerator and denominator. So that the fraction value doesn't change (like eqivalent fractions)
X would equal 8 and y would equal -7
Answer:
7
Step-by-step explanation:
42 meters divided by 6 meters = 7 meters