The GCF of 7 and 14a is 7, so the factors are:-
7(1 + 2a)
45.50(original price) * .8 (discount) * 1.05 (tax) =$38.22(final answer)
Answer:
the third angle is 50 degress
Step-by-step explanation:
the angle sum property states that the sum of all the interior angles of a triangle is 180.
therefore : 30 + 100 + x = 180
x = 180 - 130
x = 50
