15 Practice Problems might
50
1. Rectangles P, Q, R, and S are scaled copies of one another.
For each pair, decide if the scale factor from one to the
other is greater than 1, equal to 1, or less than 1.
Pairs of Rectangles
> 1, -1, or <1
R
s
a from P to
b from P to R
o from Q to S
d. from 0 to R
P
e from S to P
a
from R to P
from Ptos

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?