6x-z=10
-6x+5y=-32
6y+z=-22

can someone ?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

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.