What number best completes the analogy ? 8:4 as 10:?

a. 3 b. 7 c. 24 d. 5​

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab