Do you distibute the -2 through first or the exponent?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

You love to play soccer! you make a shot at the net 8 times during a game! of those 8 attempts, you score twice. what percent of the time did you score?