Since all the sides add up to 10x+2, that means that 10x-2-<side1>-<side2>=<side3>. Plugging it in, we have 10x-2-5x-(2x+9)=side3, and 5x-2-(2x+9)=side3, then expanding it to 5x-2-2x-9=3x-11=side3
Answer:
19
Step-by-step explanation:
1-(-18)
=1+18
=19
Answer:
-11/7
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
4X7 =28
4X2 =8
28-8 =20/5
=4
Answer:
the area of the sidewalk is 336 Sq. ft.
Step-by-step explanation:
8 + 25 = 33
8 + 9 = 17
17×33 = 561
25 × 9 =225
561-225=336
