Answer:42
Step-by-step explanation:
Because 7 times 3 is 21 so then you'll times 7 by the other 3 and 21+21=42
Answer: 25/4
Step-by-step explanation:
2 / 4/5 = 2*5/4 = 25/4
To divide fractions, multiply by the reciprocal of the fraction (flip the numerator and denominator, basically)
Answer:
I'm pretty sure you are supposed to add the exponents.
Step-by-step explanation:
According to Wikipedia, "the domain... is the set of "input"... for which the function is defined."
This essentially means the domain is where there is a 'definition' or y value for a function.
For this equation the only y value possible is 0 so the domain is 0 or optionally written as [0,0]