I cannot tell which problem is number 4 and you also cannot read the entire problems.
The answere is 1/4x-10=-50
1. 2πr=C=6πft
2. 50rev* 6π/1rev= 300πft approximately 942 ft.
The answer is B
Angles NKL and ZWX are equal to each other
The fourth answer (D) is correct because it cannot be expressed as a fraction.