Complete the steps in solving the quadratic function 7x – 9 = 7x2 – 49x by completing the square.

–9 = 7x2 –
49
x

–9 +
= 7(x2 – 8x +
)

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

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.