Answer:
a=20 m²
b=21 cm²
c=36 dm²
Step-by-step explanation:
A) 12²+16²=a²
144+256=a²
400=a²
√400=a
a=20
B) 28²+b²=35²
784+b²=1225
b²=1225-784
b²=441
b=√441
b=21
C) c²+15²=39²
c²+225=1521
c²=1296
c=√1296
c=36
Answer:
<em>$11.21</em>
Step-by-step explanation:
$30.00 - $18.79 = $11.21
Answer:

Step-by-step explanation:
Given

per mile

Required
Determine the inequality
First, we need to determine the total cost for x miles.



The total cost can not exceed the amount he has, so the inequality is:

Henrietta will create more bracelets per minute because sydney creates 24/40 of a bracelet per 10 seconds compared to sydney who makes 25/40 of a bracelet per 4 seconds.