1. When building a tree house, it is important to make sure the sides are truly
vertical, or plumb. The sides and floors must meet at right angles, so that the
corners are square. The floors must be horizontal, or level. Make a statement
explaining how each of the carpentry terms plumb, square, and level are connected to geometry, and a statement explaining how they relate to each other.

< 4, -5>

step-by-step explanation:

starting from g. we move 4 right and then 5 down to get to h. that means the vector is < 4, -5>

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6

investment b is an ordinary annuity with $3,909.64 in the account after one year.

step-by-step explanation:

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft