Answer:
Step-by-step explanation:
10n^2 +4n+15n+6 [Add the like terms]
10n^2 +19n +6
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Answer:
x = 72
Step-by-step explanation:
angles x and 72° are corresponding angles and are congruent , then
x = 72
Answer:
2
Step-by-step explanation:
6 plus 7 equals 13
9 plus 9 equals18
18 subtract 6 equals 13
13 subtract 12 equals 1