Answer:
Step-by-step explanation:
square of 15 + square of x = square of 21
225 + square of x = 441
441 - 225 = 216
x = 216
Answer:
$40
Step-by-step explanation:
25% is 1/4.
If 10 is 1/4 of the full amount, then you take 10 and multiply by 4 to get the full amount.
10 times 4 equals 40.
Answer:
- 3*2=

Step-by-step explanation:
<u>Given</u><u> </u><u>that</u><u>,</u><u> </u>
x*y=
<h3>
<u>SO</u><u>,</u><u> </u></h3>
3*2=

<u>Therefore</u><u>:</u><u>-</u>

Answer:
=−7x2+19x+
41/3
Step-by-step explanation:
Answer:
Help me on my question please
Step-by-step explanation: