A contractor bought 10.8 ft2 of sheet metal. She has used 2.1 ft2 so far and has $261 worth of sheet metal remaining. The equation 10.8x−2.1x=261 represents how much sheet metal is remaining and the cost of the remaining amount. How much does sheet metal cost per square foot?

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Solve this problem! extra ! 3025/5.5 = a/90.75