I NEED HELP, BRAILIST WILL BE AWARDED FOR BIGGEST BRAIN

Find the balance at the end of 4 years if 1000 is deposited at the rate of

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable