What is the value of the following expression? 2×{6+[12÷(3+1)]}-1

Acharity is conducting a raffle, and it sells one ticket each to 35 women and 21 men. if 5 winners are randomly selected, what is the probability that they are all men? round to five decimal places. 0.00533 0.06268 0.09537 0.07776

On a piece of paper graph f(x)=5•(0.4)^x

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