It is currently 12:25 am. If Jacks's phone was at 10% at 10:40 am and will finish charging at 12:50 pm, What percent is it now?

Solve 2x+y=3 x+y=5 in substitution method

Which point is a solution to y s 4x + 5?

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.