Answer:
5
Step-by-step explanation:
first multiply 3 by 7 as 3x7=21
again find the square of 4 as 4^2=16
finally, subtract 16 from 21 as 21-16= 5
Answer:
12
Step-by-step explanation:
4 x 3 is 12
12 2/6 is a mixed number. Though, it can be simplified to 12 1/3
4/52 because 4 of each number and 52 total.