How can we tell if a number is divisible by 4?

a. the sum of the digits is 4

b. the sum of the digits is divisible by 4

c. the last digit is divisible by 4

d. the last two digits of the number are divisible by 4

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?