What is 2 8/10 + (3.5) in decimal form?

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

Factor and solve to find roots x squared -x - 90 =0

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.