The perimeter of a rectangle is 70 cm. if its length is decreased by 5 cm and its width is increased by 5 cm, its area will increase by 50 cm2. find the length and the width of the original rectangle.

The square root of 9x plus 7 plus the square rot of 2x equall to 7

What is the total area of the figure?

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.