Sophia's steps to evaluate the expression on
- 9 ÷ 9 when n = 3 are shown below.
gn
- 9 ÷ 9 when n = 3
9 × 3 = 27
27
- 9 = 18
18 ÷ 9 = 2
What should Sophia have done differently to evaluate the
expression correctly?
A
subtracted 9 from (27 ÷ 9)
B
subtracted (9 ÷ 9) from 27
C
divided
(27
9) by
(27 - 9)
) D
divided (27 - 9) by (27 × 9)

Which of these triangle pairs can be mapped to each other using two reflections?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250