Answer:
nm
Step-by-step explanation:
n × m = nm ways
Just divide the recipe by 2
3/4 : 2 =
3/8
13. no. the value changes when you solve for them
14. yes identity
15. yes commutative
16. yes commutative
i think it's...2
multiplication is usual multiplication one constant times another, convolution is polynomial multiplication which is multiplying 2 polynomials.