which expression tells how much the temperature
needs to change from -13°f to 50°f?
which expression tells how long it will take for the
temperature to change?
how much time will it take for the temperature to
change?

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Which expression gives you the distance between the points (5,1)and(9,-6)