Ryan uses the expression 15x + 50 to represent how much he will earn in a month. Kim uses the
expression 20(x - 2) to represent how much she will earn in a month. In both expressions x represents the
number of hours worked. How much more does Kim earn in a month than Ryan?
A.5x - 90
B.5x-10
C.35x + 10
D. 35x - 90

i dont know but hope u do

step-by-step explanation:

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

square pyramid

step-by-step explanation:

square prism looks like nothing like that

triangular prism has a rectangular base instead of a square base

tetrahedron has a triangular base

dont know

step-by-step explanation: