True or false?

if a 40 kg person is accelerating at 10 m/s2, then the magnitude of the force acting on him or her is 400 n

a) true
b) false

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Jon’s weight loss for each week of the month is 5 lbs., 2.5 lbs., and 2.5 lbs. he gained 3.5 lbs. the last week. if jon originally weighed 198 lbs., how much does he weigh now?

For which of these functions is function composition commutative with ƒ(x) = (x + 1 /3x − 2) ? a - g(x) = (3x − 2/x + 1)b - g(x) = (3x − 3/x + 2)c - g(x) = (2x + 1/3x − 1)d - g(x) = (2x − 1/3x + 1)