Answer: 69
Step-by-step explanation: a triangle adds up to 180 degrees. It is an isosceles triangle (2 sides are the same angle) 180-42=138 then do 138/2=69
First make it that both denominators are the same.

Then add both numerators

Your final answer should be
Answer:
Expression I and IV
Step-by-step explanation:
Expression I simplified :
- 3n + 7 + n + 4n
- 8n + 7
- Expression I = Expression IV
Answer:
Joe and Lulu
Step-by-step explanation:
Answer:
where is the figure
Step-by-step explanation:
all ya gotta do is multiply the numbers together