a father was four times older than his son. ten years ago, if their present age is 423 find the age of father and son?

step-by-step explanation:

i could only see the first page. the other pages were blurry. ; -;

x hot dogs for 2$, y drinks for 3$. 29 items and total 70

2x+3y=70

x+y=29

if x=17and y=12

2(17)+3(12)=70

34+36=70

d. vertex

step-by-step explanation:

ion

step-by-step explanation:

ion ion ion ion ion ion ion ion ion ion ion

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm