m∠4 = 38°
Step-by-step explanation:
The angle that measures 38° and ∠6 are vertical angles, which means that they are congruent, therefore m∠6 = 38°
∠6 and ∠4 are corresponding angles, which means that they are congruent, therefore m∠4 = m∠6 = 38°
answer: 48
just remember to use pemdas:
parentheses
expressions
multiplication
division
addition
subtraction
1) 2/5
2) zero=0/1
3) zero=0/2
4) -4/5
5) undefined=3/0