Choose all of the problems that result in an answer of 8.5.

A) 0.85 × 101
B) 85 × 101
C) 85 ÷ 101
D) 0.85 ÷ 102
E) 0.085 × 102

Which of the following circles have their centers on the x-axis? check all that apply.

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.