Berikut ini yang tidak termasuk bagian-bagian surat resmi ialah.. A . kepala surat
B . nomor surat
C . Tujuan
D . Kaki surat​

Simplify the expression 10/11(22z) + (a+5) -1

Draw a scaled copy of the circle using a scale factor of 2

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.