Answer:
<u>The</u><u> </u><u>fourth</u><u> </u><u>number</u><u> </u><u>line</u><u> </u><u>is</u><u> </u><u>the</u><u> </u><u>answer</u><u>.</u>
Step-by-step explanation:

Answer simplified - 4 square root 10
Answer:
-4/3
Step-by-step explanation:
give 90°<Ø<180° show in Q2
and cscØ=5/4
tanØ in Q2 is minus
so tanØ is -4/3 #
This is a trial and error answer.
Suppose that QT = -3, then
x + 2 = y
2x = y + 3
Apply substitution,
2x = (x+2) + 3
2x = x + 5
x = 5
y = 7
chek your answer,
x + 2 = y
<span>5 + 2 = 7</span>