Answer:
74 cm
Step-by-step explanation:
Perimeter Pentagon = 48 + (38 - 12)
48 + 26 = 74
74 cm
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-Chetan K
Answer: 7
Step-by-step explanation:
1. multiply both sides by -6 so the -6 on the right side could cancel out and the left side would be -6: 1= a-13/-6 ==> -6=a-13
2. add both sides by 13 so -13 on the right side could cancel out and the left side would be -6+13: -6=a-13 ==> -6+13=a-13+13
3. you know -6+13 equals 7 right? so the answer is a=7
Answer:

Step-by-step explanation:
multiply the 2x by x and 7 and then multiply 3 by x and 7. you will get 2
+14x+3x+21. combine like terms so add 14x to 3x and thats the only like trerms in the equation. so 2x^2+17x+21