Ralph sold brownies for $0.99 a piece in order to earn money for baseball cards. if the cards cost $1.35 per pack, and if ralph had no money left over after buying them, what is the least number of brownies he must have sold

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.

Average acceleration: i have no idea how to do this.