This is Tony's family. His mother's name is Ann and his father's name is Nick.
Kelly and Sam are his grandmother and grandfather. And Pat is his sister. She is very cute.
если взять основание за х то х=2(х-4) х=8 8+4=12
V=abc
a=3/16 м
b=4,8 м
c=0,5 м
V=3/16 * 4,8 * 0,5 = 3/16 * 48/10 * 1/2 = 9/20 (м³) -объём параллелепипеда
Х-(70-52)=49
х-70+52=59
х-18=49
х=67
Ответ: х=77
a+(18+19)=90
а+37=90
а=53
Ответ:а = 53