1. indicate whether the number is divisible by 2, by 3, or by 5.(note: some numbers may be divisible by more than one of these numbers.)
a. 450
b. 31
c. 18,652
d. 455

2. write out the prime factor of the following numbers.
a. 15
b. 21
c. 38
d. 42

3. what’s the least common multiple of each group of numbers?
a. 5 and 6
b. 2 and 9
c. 6 and 8
d. 2, 5, and 6

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?