For what value of x is \(\frac{4 - 2x}{x + 1}\) undefined.

(a) Mr Sarfo borrowed $25,000 from Afiak financial services at 21% simple interest per annum for 3 years if he was able to pay back the loan in two years at equal yearly installments how much did he pay each year?

(b) Two consecutive numbers are such that the sum of thrice the smaller and twice the larger is 17.

find correct through three significant figures the smaller number as a percentage of the sum of the two numbers

A man left town am at 10:00 AM and traveled by car to town N at an average speed of 72 km/h.

He spent 2hours for a meeting and returned through town M by bus at an average speed of 40KM/H. 

If the distance covered by the bus was 2km longer than that of the car and he arrived at town M at 1 :55PM.

calculate distance from M to N.

The points X, Y and Z are located such that Y is 15 km south of X, Z is 20 km from X on a bearing of 270".

Calculate, correct: (a) two significant figures, |YZ|

(b) The nearest degree, the bearing of Y from Z

In the diagram, \(\overline{AD}\) is a diameter of a circle with Centre O. If ABD is a triangle in a semi-circle ∠OAB=34",

find: (a) ∠OAB (b) ∠OCB