Mrs. Rowan allotted 30 minutes at the
beginning of class for her students to
complete an exam. The last student took
42 minutes to complete the exam. What
is Mrs. Rowan's percent error?

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase

The table shown below gives the approximate enrollment at the university of michigan every fifty years. how many more students were enrolled at the university of michigan in 1950 than in 1900?

What is the area of a triangle with the following dimensions: base: 4 inches height: 9 inches?