27
19
1
15
Hope helps you
remember PEMDAS
parenthasis ... exponents... multiply...divide...add...subtract
A.)2xX is 2x12 so
2x12+3=27
b.)4x5 s 20 -1 is 19
c.)7x2 is 14 and 15-14 is 1
d.)6-1 is 5 3x5 is 15
ANSWERS
A.)27
B.)19
C.)1
D.)15
Ta-da!
hope this helps
Answer:
x = 30
Step-by-step explanation:
a) The sum of the angles along the line is 180°. That means ...
2x° +90° +x° = 180°
__
b) Subtracting 90° and dividing by 3° gives ...
3x° = 90°
Vertex form
So
vertex:-
120
30 x 4 = 120