Deanna has 4 quarter 3 dimes and 3 nickels in her purse. she reaches into her purse and randomly grabs two coins one at a time. what is the probability deanna will first grab a quarter and then without replacing it grab a nickel

Which of the following expressions is equal to 2x^2+8

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2