2. A coal miner is 140 feet beneath the surface of the earth and ascending at an average rate of 2.1 feet per second. His replacement begins at the surface and
descends at an average rate of 1.8 feet per second. About how long will it be until
the workers are at the height?

i hope this is what you were looking for.

see attached graph

savings account is an account only used for saving money. this acts as an emergency source of funding for an individual. answer a would result in the money in his account to grow as it specifically states that interest is compounded daily at the rate of 2%

step-by-step explanation:

i think it is c hope that

an = 22 + (n-1) *6

110 seats

step-by-step explanation:

an=a1+(n-1)(d)

a1 = 22   this is the first item in the sequence

d =6   this is how the sequence goes up

a)   an = 22 + (n-1) *6

b) a12 = 22 + (12-1) *6

    a12 = 22+11*6

  a12 = 22 +88

  a12 = 110