Two perpendicular lines PQ and QR intersect at (1, -1). If the equation of PQ is x - 2y + 4 = 0, find the equation of QR

Calculate 33105 - 14425

Finds a positive value of p if the expression 2x2 - px + p leaves a remainder 6 when divided by x - p and q

Express the product of 0.0014 and 0.011 in standard form

A worker's present salary is ₦24,000 per annum. His annual increment is 10% of his basic salary at the beginning of the third year?

If S = (x : x2 = 9, x > 4), then S is equal to

Evaluate \( \frac{(18)^{\frac{3}{4}}-(27)^3}{3\times 2^3} \)

Simplify \( \frac{\sqrt{12}-\sqrt{3}}{\sqrt{12}+\sqrt{3}} \)

Find T in terms of K, Q and S if S = 2r\( \pi \)QT + K)