In science class a student was measuring the temperature of a solution during an experiment.
The solution started out at -2.7°C. After three minutes the temperature had increased
by 17.8°C. After three more minutes it had decreased by 29.5°C. Then after three more
minutes it had increased by 8.9°C.
Which number represents final temperature in this experiment?
A. -5.5°C
B. -2.8°C
C. 2.8°C
D. 5.5°C

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.