Answer:
The first one
Step-by-step explanation:
Because you mulitply 4 by 5 to get 20
Answer:
All real numbers greater than or equal to 0.
Step-by-step explanation:
x must be greater or equal to zero because there is no real square root of a negative number.
So the lowest value of the function is 0 and it can be any value greater than that.
Answer:
the answer is 8.45
Step-by-step explanation:
845/100 *1
It is like when you have the problem 15*6, you don't know how to do that mentally, unless you use the take ten strategy which would turn it into (10*6) + (5*6) so, it simplifies to (60) + (30) which is 90
