Answer:
4.21
Step-by-step explanation:
Because 2.1 is also equivalent to -4.2 which also is equivalent to D'.
A
multiply $17.95 by 40% to get the discount ($17.95 x .4), which equals $7.18.
the sale price is the initial price of the book less the discount ($17.95-$7.18), which equals $10.77.
H
24 x 1 1/4
3 4/5
divide 19 by 5 which gets you that as a decimal
x + 72 = 180
y = 72 (vertical angles)
x = 108
z = 90 - 72
z = 18