Answer:
7. 
8. l=11cm and w=7 cm
9. 
10. 
Step-by-step explanation:
Question 7.
The given expression is:

Expand the parenthesis using the distributive property:

Group similar terms:

Simplify

Divide both sides by -10

Question 8:
Let the width of the rectangle be;
The length of the rectangle is 
The perimeter is given as: 
Given that the perimeter P=36, then:
![36=2[(w+4)+w)]](https://tex.z-dn.net/?f=36%3D2%5B%28w%2B4%29%2Bw%29%5D)

Divide both sides by 2:

Subtract 4 from both sides:



The dimensions of the rectangle is: w=7 cm and l=7+4=11cm
Question 9
Let the number be x.
"5 fewer than the number" is written as 
"5 fewer than a number is at least 12" becomes

Question 10:
Let the number be x.
The quotient of a number and 3 is written as:

The quotient of a number and 3 is no more than 15 is written as;

Probs a decrease of 37 boiiii
Answer:
(4,5)
Step-by-step explanation:
count up to the opposite point by the x-axis and the y axis.
<em>hope this helps ! </3 ~ Alyssa. xoxo</em>
Answer:
D. $3,776.28
Step-by-step explanation:
The finance charge should be ...
$3558.71 × 1.75% = $62.28 . . . . . . not $82.28
The new balance should be $20 less than what is shown, so should be ...
$3,776.28
Answer:
wild
Step-by-step explanation: