witch item has a unit rate of $6.50 A) caps: 4 for $25.00 B) posters: 3 for $20.25 C) tote bag: 4 for $30 D) T-shirts: 5 for $32.50 i need answers quick pls.

Newtons second law says force(f) is equal to mass (m) times avceration (a) a scientist wamts to calculate the force of an objecy where the acceleration of gravity (g) is 9.8m/ s2 use the function to calculate the force of an object with a mass73( m) of 0.29 kilograms