if jack bought 18 cds last year when his income was r20,000 and he buys 22 cds this year when his income is r25,000, then his income elasticity of demand using the point method is:

Why do businesses rely more on teamwork in today’s business environment? a. teams need fewer instructions. b. teams facilitate learning. c. teams create a harmonious environment at the workplace. d. the team’s collective output is greater than the total of each individual’s output. e. teams require lesser supervision

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

Why are gold and platinum used for jewelry