160 Savings (5)
88 & %
40
O
5 10 15 20 25
Time (weeks)
Time
(Weeks)
25
10
15
40
60
100
Savings
$
Complete the table to display the data shown on the graph.
Find the constant of proportionality and write an equation for the relationship. 4
Use your equation to determine the amount of savings for 35 weeks.

Which of the following is a justification used while proving the similarity of triangles lom and mon

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.