Could somebody answer this Which of the following makes written communication effective?

Using slang

Using long and rambling sentences

Using complex and hard to understand sentences

Using correct spelling, grammar and tone

Anew 2-lane road is needed in a part of town that is growing. at some point the road will need 4 lanes to handle the anticipated traffic. if the city's optimistic estimate of growth is used, the expansion will be needed in 4 years and has a probability of happening of 40%. for the most likely and pessimistic estimates, the expansion will be needed in 8 and 15 years respectively. the probability of the pessimistic estimate happening is 20%. the expansion will cost $ 4.2 million and the interest rate is 8%. what is the expected pw the expansion will cost?

Susan is a 5th grade teacher and loves getting up every day and going to work to teach her students. this is an example of a. extrinsic value b. interests c. intrinsic value d. external value

Bulldog holdings is a u.s.-based consumer electronics company. it owns smaller firms in japan and taiwan where most of its cell phone technology is developed and manufactured before being released worldwide. which of the following alternatives to integration does this best illustrate? a. venture capitalism b. franchising c. joint venture d. parent-subsidiary relationship