Suppose the marks on last year's PSYC 2260 exam were normally distributed with had a mean of 78% and a variance of 81%. If it takes 83% on the exam to earn an A in the class, what portion of students earned an A? Question 25 options:

It is impossible to earn an A

71.23%

33%

28.77%

67%

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?