A simple index of three stocks have opening values on day 1 and day 8 as shown in the table below.
Day 1
No. shares
Price per
Day 8
No. shares Price per
share
8000
$3.90
5000
$2.50
2000
$6.10
Stock ABC
Stock XYZ
Stock QRS
share
$4.25
$2.90
$6.40
8000
5000
2000
What is the rate of change of this simple index over one week? Round your
answer to the nearest tenth.
A. -8.4%
OB. 7.7%
Ο Ο Ο Ο
C.-7.7%
D. 8.4%

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem