David uses 2/3 yard of cloth to make a bag .which amounts are equivalent to 2/3 yard

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Prove that 16^4-2^13-4^5 is divisible by 11.