-31F because of the formula.
-35°C multiplied by 9/5 +32 = -31°F
~JZ
Hope it helps
Multiply the numerator and denominator by 7×2 = 14 to eliminate the denominators of those fractions:

Rationalize the denominator by multiplying both numerator and denominator by √10:

Lastly, cancel the common factor of 2 in both the numerator and denominator (which comes from 6 = 2×3 and 490 = 2×245):

Answer:
c
Step-by-step explanation: