Answer:
42
Step-by-step explanation:
because that angle is a little less than half of 90 so 42 is the best answer
Answer:
All four
Step-by-step explanation:
SSS, SAS, ASA, and HL
Answer:
57
Step-by-step explanation:
first do what is in the brackets then the parentheses, then multiply the 3
-1(5x+1)
-5x-1
the (-) in front is just a short way to put (-1)