Answer:
A
Step-by-step explanation:
A population is a set of similar items or events which is of interest for some question or experiment.
tbh what grade is this
78.46 cm^2
Use area formula
2, 3/4 and 1
d (w) = 0.1w² – w+ 5
d(w) = c(w) - a(w)
= -0.3w²+2w+13 -(-0.4w²+3w+8)
= -0.3w²+0.4w²+2w-3w+13-8
= 0.1w²-w+5
