C. 84
12 x 8 is the area of the whole thing but you subtract 12 because of the missing 6x2 part of the square
<h2>Solution :- </h2>
Let the number be "x" , then according to the question :
• 2x - 12 = -8
Further solving
→ 2x = -8 + 12
→ 2x = 4 .
→ x = 2
B because it doesn’t matter how many projects you do . If it doesn’t benefit your career then it is bad
Answer:
210 by 120
Step-by-step explanation:
perimeter=2l+2w
length= 2w-30
width= w
2(2w-30+w) = 660
6w-60= 660
6w= 720
w=120
length= 2*120-30 = 210
Answer:
Step-by-step explanation:
I'm going to assume you meant 2x²-3x-5