Answer:
4.21
Step-by-step explanation:
Because 2.1 is also equivalent to -4.2 which also is equivalent to D'.
It says i need at least 20 characters, but the answer is c
3y + 20 = 3 + 2y
1y + 20 = 3
y = -17
all work is pictured/shown
b. 2005
(apex)
300=150(1.07)^x
1.07^x=2
x=ln 2/ln 1.07
=10.24
1995 plus ten years = 2005
hope this helps