Answer: 
Step-by-step explanation:
To solve for b, we want to use the Pythagorean Theorem as given.
b and 7 are the legs, and 12 is the hypotenuse.
[exponent]
[subtract both sides by 49]
[square root both sides]

Now we know
.
Answer:
The shorter piece is 39 inches long.
Step-by-step explanation:
ratio = 3 : 1
3+1=4
156/4 = 39
just to check:
39 x 3 = 117 (the lenght of the longer piece)
117 + 39 =156
hope this helps
brainliest plx
x
Answer:
Declaration of Independence was designed for multiple audiences: the King, the colonists, and the world. It was also designed to multitask. Its goals were to rally the troops, win foreign allies, and to announce the creation of a new country. The introductory sentence states the Declaration’s main purpose, to explain the colonists’ right to revolution. In other words, “to declare the causes which impel them to the separation.” Congress had to prove the legitimacy of its cause. It had just defied the most powerful nation on Earth. It needed to motivate foreign allies to join the fight.
Step-by-step explanation:
Answer:
113.1 =VOLUME , 4/3 X 3.14 (3) ^3 = 113.1
Answer:
My dude the groul that shows that tiny bit of smiling must be the beatles or backstreet boys