Yunika downloaded four applications for $2.99 each to her cell phone. the remaining applications that yunika purchased cost $1.99 each. if she downloaded x total applications, which of the following equations can be used to find how much yunika spent on cell phone application downloads? a. y = 1.99(x - 4) + 11.96 b. y = 11.96(x - 4) + 1.99 c. y = 1.99x + 11.96 d. y = 11.96x + 1.99