Answer: My bad if I butchered any answers. It was hard to read tbh
Step-by-step explanation:
D.) You can only factor out an x here. So you'd get: 
E.) You can factor out a 3x^2y to get: 
F.) You can factor out a 3xy to get: 
G.) You can factor out a -4ab to get: 
Answer:The one with -1. B
It was D on mine tho so check the graph
Step-by-step explanation:
I got it right on edg
The formula for half-life is:

A is the amount remaining, P is the initial amount, t is the time that has passed, and h is the half-life of the substance. Plug in the values that you know and solve:

Rounded to the nearest whole number, the density of the substance was about 13<span>mg / cm².</span>
Migrate = to move from one place to another by people or animalsGlacier = large body of iceExtinct = no longer livingNomads = people who wander from place to place with no fixed homesIndigenous = Native; originating in the region or country where foundBering Strait = body of water between Russia and AlaskaArtifact = tools or weapons made by people in the past
X= -15/2
Reduce the fraction
Move terms
Collect like terms and calculate