Which of the following fractions is equivalent to (−13)÷(−6)? Select two that apply. A −13/6
B −6/13
C −2 1/6
D 2 1/6
E 6/13
F 13/6

Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d

What is the number 321,000,000 in scientific notation? also what is the number? ?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?