Find correct to the nearest degree, the acute angle formed by the lines y = 2x + 5 and 2y = x - 6
Solve: 4sin\(^2\)θ + 1 = 2, where 0º < θ < 180º
Find the range of values of x for which 2x\(^2\) + 7x - 15 ≥ 0.
The probability that a student will graduate from college is 0.4. If 3 students are selected from the college, what is the probability that at least one student will graduate?
The equation of a circle is given as 2x\(^2\) + 2y\(^2\) - x - 3y - 41 = 0. Find the coordinates of its centre.