Answer:
B
Step-by-step explanation:
∠ACE and ∠ECB form a straight angle whose sum = 180°, hence
2x + 2 + 5x + 3 = 180
7x + 5 = 180 ( subtract 5 from both sides )
7x = 175 ( divide both sides by 7 )
x = 25 → C
Answer: 154
<span>In one side of the glass window measuring 3 ½ feet, we can make (3.5/.25) exactly 14 pieces of a ¼ foot.</span>
The other side of the glass window which measures 2 ¾ feet we can produce (2.75/,25) or 11 pcs of a ¼ foot.
<span>The artist used (14*11) or 154 colored squares.</span>
Answer:
A.-34t
B.-21x
C.2x+7y-15
D.3xy+27
Step-by-step explanation:
For the first 2 questions just take out the variable and add or subtract all the numbers. For the next 2 simplify one variable at a time. It always goes in alphabetical order.
Answer:
9. answer: -3, 10. answer: 5