Chase found the cost of ferry tickets from 1992 to 1996. He made the graph below.
Cost of a Ferry Ticket
$5.00
$4.50
$4.00
$3.50
$3.00
Cost $2.50
$2.00
$1.50
$1.00
$0.50
$0.00
1992 1993 1994 1995 1996
Year
What was the difference between the cost of a ticket
in 1993 and its cost in 1994?
А $2.00 B $1.00
$2.50
$0.50

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

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.