P, Q & R form a right-angled triangle. R, S & P lie on a straight line.
PS = SQ and
∠
SQR = 46°.
Work out
∠
RPQ

What is the square root of 45? (step by step working plz)

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

Solve the equation x/4 - 5= -8 -27 -12 -7 12