.A contractor bought 6.4ft^2 of sheet metal. He has used 2.1ft so far and has $77.40 worth of sheet metal remaining. The following equation represents how much sheet metal is remaining and the cost of the remaining amount. How much does sheet metal cost per square foot? 6.4x - 2.1x = 77.4

What is the equation of the graph that represents f(x)=x^4 stretched vertically by 2 and shifted up 3 spaces

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate. in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

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.