Wesley bought 4 lottery tickets. If a total of 20 raffle tickets were sold, what is the probability, as a fraction or an exact decimal that Wesley will not win the lottery?
16
20

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i

Find the measure of angle b in the following triangle