jessica wrote a report
about sally ride for her
science class. it took her
an hour and 27 minutes
to write the report. if
she began writing at
11: 48 a. m., what time did
she finish the report?

How do you determine if an ordered pair is a solution to a given equation?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

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.