<h3>
System of equations.</h3>

Put (1) to (2):

Substitute the value of x to (1):

Solution:

Answer:
=>12-2
=> 10
<em><u>You're Welcome</u></em>
<em><u>Hope this helps you.</u></em>
<h2>
<em><u>Pls</u></em><em><u>, mark it as the brainliest. I need it.</u></em></h2>
Answer:
28
Step-by-step explanation:
Since the triangle is a right triangle, we can use SOH CAH TOA to find ?. 10 is OPPOSITE to ? and 21 is HYPOTENUSE to ?, so we can use SIN to find ?.
SIN(?) = 10/21
? = ARCSIN(10/21)
? = 28.437
Answer: (x-8)(x+6)
Step-by-step explanation: For this equation, you need to figure out what two numbers add up to add -2, and multiply to get -48.
These numbers are +6 and -8. So the factored pair will be (x+6)(x-8)
Hope this helps:)
Answer:
c
Step-by-step explanation: