Answer
38 punds or 38.46
Step-by-step explanation:
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2a + 21 = 8a - 9
Combine like terms.
2a + 21 = 8a - 9
-2a -2a
21 = 6a - 9
+9 +9
30 = 6a
6a/6 = 30/6
a = 5
Answer: a = 5
Answer:
(2,0) x=2, y=0
Step-by-step explanation:
Answer:
B. 1728 cm²
Step-by-step explanation:
You have to find the area of each side:
Top side: 32*20=640
Bottom side: 16*32=512
Triangle sides: 1/2*12*16=96*2=192
Back side: 12*32=384
add all these up and you get 1728