Hans planted 15 bulbs and 12 grew into flowers. If next year he plants 55 bulbs, how many do you predict will grow into flowers based on his previous experience?

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Which of the following vectors are orthogonal to (2,1)? check all that apply

What is the interquartile range (iqr) of the data set represented by this box plot?