T + S + R = 180
R = 180 - (T + S)
T + S = 68 + 76 = 144
So R = 180 - 144 = 36
<R = 36
a(1) = -4(1)-3 = -4-3 = -7
a(2) = -4(2)-3 = -8-3 = -11
a(3) = -4(3)-3 = -12-3 = -15
a(4) = -4(4)-3 = -16-3 = -19
a(5) = -4(5)-3 = -20-3 = -23
So, sequence would be -7,-11,-15,-19,-23
Answer:
(b) the answer
Step-by-step explanation:
Answer:
7 / 12 is the answer
hope this answer will help you
Answer:
x = 60
Step-by-step explanation:
Total degrees of all interior angles (the three angles inside the triangle) is always 180°
So u use 180/3 = 60 which is x
