Determine if the following two structures are identical, isomers, or unrelated?
OH
O
|
CH3CHCH2CH3 CH3CH2CCH3
A
B
identical
isomers
unrelated

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Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.