At an amusement park, sandy wants to ride a rollercoaster that costs 23 tickets, a bumper car that costs 28 tickets, and a merry-go-round that costs 32 tickets. sandy had 21 tickets, but lost 5 of them on a ride. how many more tickets does she need?

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1

Change negative exponents to positive. then solve. round to four decimal places