Reggie ate 31 raisins which correctly describes 31 as a prime number or a composite number and tells the number of factor pairs 31 has?
a 31 is a prime number because it has 0 factor pairs.
b 31 is a prime number because it has 1 factor pair.
c 31 is a composite number because it has 1 factor pair
d 31 is a composite number because it has 2 factor pairs

When a formula is solved for a particular variable, several different equivalent forms may be possible. if we solved a=1/2bh for h, one possible correct answer is h=2a/b . which one of the following is not equivalent to this? a. h= 2(a/b) b. h= 2a(1/b) c. h= a/1/2b d. h= 1/2a/b

Pls brainliest will be awarded if answer is correct

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1