Lesson 3 Problem-solving Practice Adding Linear Expressions 2. Heather was building a scale model of the Pentagon for her history class. 7" P= (246) 3. A mailing st mailing env a variety of 4 centimete Write and the perime (2x + 3) in a. Write and simplify an expression to represent the perimeter of Heather's scale model. 4. Find the perimete b. Find the perimeter of the model if x = 2: ​

step-by-step explanation:

hunhgunyt7 in u uuuhiuteu

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).

step-by-step explanation:

659

you are playing an adventure game on your computer. you come across a troll who won't let you pass and there is no other way to get to the other side of the river except over the bridge he is guarding.

the troll is a nerd. he takes great delight in watching people struggle with his problems. very few get them. he only gives you one chance and then he changes the puzzle. you have to solve this one.

before you are four blocks. they are numbered 11,6, -7,21.

he tells that the answer he wants is minus and between -1 and - 2. you can use +, -, ×, ÷   ( and ) as many times as you like or no times at all. you don't like the way he's looking at you, but you need to cross the bridge. what do you do?