Answer:
should be 12 if the x and y are squared. If you meant 2x and 2y than 12 is incorrect.
Step-by-step explanation: 144=r^2.
Answer:
4 1/2 + 1 3/5 = 6 1/10 or 61/10
Answer:
angle c is 58 degrees and and angle a is 42 degrees
Step-by-step explanation:
Answer:
1/2
Step-by-step explanation:
