Roger bought 800 shares of a company's stock for $15.34/share. He pays a broker a commission of $20 to buy or sell stock. After one year, Roger sold all his shares, when they were worth $18.77/share. How much did it cost to buy the stock? What is the net gain or loss? What was the rate of return?

Whose conclusion is correct? choose all that apply. (two max) elijah emily edward esme

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 !

Plz ( true - false) all triangles have interior angles whose measure sum to 90.