4 hamburgers and 2 tacos cost $19. 6 hamburgers and 4 tacos cost $34.
What is the price of one taco? (decimals are possible)

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Bobby bought 1.12 pounds of turkey at a cost of 2.50 per pound. carla bought 1.4 pounds of turkey at a cost of 2.20 per pound. who spent more and by much?