Answer:
it should be -10
Step-by-step explanation:
5 x 2 is 10 but you add the negative. Mary added instead of multiplied.
Answer:
SAS
Step-by-step explanation:
Looking for the third side given the other two sides and the angle between them
c² = a² + b² - 2abcosC
Answer: A
Step-by-step explanation: 3(1)+k =8 8-3=5
The simplest form would be x
The rule for power to a power is 'keep the base and multiply the powers'.
3 * (1/3) = 1
So it would be x^1 or just x