Answer:
for this you should use photomath all you do is take a picture of each problem and put the answer down
Answer is x = (355*r^-35)/7 hope led me know if you have any questions
x=3 1/4 is not a solution to the equation.
12 5/8=x+9 1/4 Subtract 9 1/4 from each side 3 3/8=x, but 3 1/4=3 2/8
360-150-150=60 arc ac=60, the measure of arc is same as central angle and inscribe angle is half of central angle so answer is 30