Kala, Chau, and Deshaun have a total of $68 in their wallets. Deshaun has 2 times what kala has. Kala has $8 less than Chau. How much do they have in their wallets?
Amount in Kala's wallet:$
Amount in Chau's wallet:$
Amount in Deshaun's wallet:$

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

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm

Which of the following is correct interpretation of the expression -4+13