Ines has saved $5. She doubles the amount she saves each week. Does this represent an exponential function?

Solve the equation by completing the square. x^2+2x=17

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room