Two algebra questions!: (

1)given v = 2πr2h, solve for h

a)h = v/2r2

b)h = v2πr2

c)h = v - 2πr2

d)h = v/2πr

2)solve the equation for y: -8x + 4y = 20
a)y = 2x - 5

b)y = 2x + 5

c)y = 1/2x + 5

d)y = 1/2x + 20

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.