Match each system of linear equations with the correct number of solutions. One solution
No solution
Infinitely many solutions
3.1 - y = 4
6.3 - 2y = 8
-31 + y=7
23 - 4y = -8
y = -41 - 5
y = -43 + 1

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

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