Answer:
$4.99
Step-by-step explanation:
20 - 5.03 = 14.97
14.97 ÷ 3 = 4.99
it should be 42 hope it helps
the answers are:
b. x = sin -1 (c/b)
c. x = tan -1 (c/a)
e. x = cos -1 (c/b)