Answer:
A. 5.19 units
Step-by-step explanation:

Given:
= 81°- Arc length = 7.34 units
Substituting given values into the equation and solving for r:






<span>2y-x=11</span>
<span>-x=11-2y
</span><span>x=-11+2y
</span><span><span>x=2y-11</span><span>
</span></span>
N + d = 20 (there are a total of 20 nickels and dimes).05n + .1d = 1.4 (total change equals $1.40)
Answer:
1.5 × 1011 m
Step-by-step explanation: