Answer: 39 + n
Explanation:
Sum —> addition
A number —> the unknown value, variable
14th square number = 196
6th square number = 36
Andre can complete 1.5 facts in one second.
Step-by-step explanation:
Given,
Number of multiplication facts completed in 90 seconds = 135
Therefore;
90 seconds = 135 facts
Dividing both sides by 90 to fins the facts per second

Andre can complete 1.5 facts in one second.
Keywords: unit rate, division
Learn more about unit rates at:
#LearnwithBrainly
Yes.
27/51-18/34=0
if something minus something is zero, then the 2 numbers subtracting each other are equal. :)