Which event has a probability other than 1/2 ?
flipping a coin with the result of tails
choosing a vowel from a bag of tiles that contains one of each letter of the alphabet
rolling an even number on a number cube that is numbered from 1 to 6
choosing a red card from a standard deck of cards (a standard deck has 52 cards 26 of which are red)

Adriveway is 60-feet long by 6-feet wide. the length and width of the driveway will each be increased by the same number of feet. the following expression represents the perimeter of the larger driveway: (x + 60) + (x + 6) + (x + 60) + (x + 6) which expression is equivalent to the expression for the perimeter of the larger driveway? a) 2(x + 66) b) 4x + 33 c) 4(x + 33) d) 4(x + 132)

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

Can someone tell me if this is perpendicular? !