Albert estimates that he burns 3 calories per minute tapping his thumbs against his desk. how many calories will albert burn if he taps his thumbs against his desk for 41 minutes?

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)

Which expression is equivalent to -12(3x-3/4)

Sara has 2 2/3 cup taco meat. she needs 1/6 cup to make one taco. how many tacos can sara make with the taco meat she has?