The expression 2x+6 is equal to 9 for some value of x. Without finding the value of x, determine the values for each of the following expressions. x+3

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.

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet

If a + b = 4, what is the value of |4 – a| + |4 – b|?