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Answer:
B
Step-by-step explanation:
<STR = <SRT Given the markings of the triangle
<STR + <STU = 180 Supplementary angles
(2x - 9) + 7x = 180 Remove the brackets
2x - 9 + 7x = 180 Combine
9x - 9 = 180 Add 9 to both sides
9x = 180 + 9 Combine
9x = 189 Divide by 9
9x/9 = 189/9
x = 21
Answer:
C because you cant remove an asymptote
Answer:
1)quotient, 2)sum, 3)difference, 4)product
Step-by-step explanation:
A quotient is always the answer to a division problem.
A product is always the answer to a multiplication problem.
A difference is always the answer to a subtraction problem.
A sum is always the answer to a addition problem.