The cost of metal is proportional to the weight of the metal. rita bought 1.6 pounds of metal for $4.00. let p represent the number of pounds of metal and c represent the cost in dollars. which equation can be used to determine the cost of pounds of metal?

a. c = 2.4p

b. c = 2.5p

c = 4.0p

c= 6.4p

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct