Lauren pays $19.99 for a membership fee to an online music store. lauren buys songs from a new album at the price of $0.99 each. she paid a total of $21.97 for the membership fee and the songs. which represents the number of songs lauren bought?
(a) 1 songs
(b) 2 songs
(c) 3 songs
(d) 4 songs

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

Asequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. if f(n) represents the nth term of the sequence, which of the following recursive functions best defines this sequence? (1 point) f(1) = 2 and f(n) = f(n − 1) + 4; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2n; n > 1 f(1) = 2 and f(n) = f(n − 1) + 4n; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2; n > 1 i will award !

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.