Yes they are equivalent because their ratio is 9
81/9= 9
63/7=9
You just need to find distance between two points
d=

d=6
Answer:
Incomplete problem - reword
Step-by-step explanation:
Answer:

Step-by-step explanation:
a reciprocal is a number that when multiplied by a given number gives 1 as product.
16 * x = 1
x = 1/16
9/10 * x = 1
x = 10/9
Answer:
0.13
Step-by-step explanation:
cos P = adj/hyp
cos P = 2/16
cos P = 1/8 = 0.125
cos P = 0.13