⚠️⚠️HELP DUE IN 3 HOURS⚠️⚠️

if a1=4 and an=(an-1)^2 +4 then find the value of a4

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder

If it 8 inch candle burns at 7/10 inch per hour and a 6 inch candle burns at 1/5 inch per hour after how many hours would both candles be the same height