PLEASE HELP!! :) Gilbert was thinking of a number. He doubled up it and added 5. What equation shows how to find his original number if the result was 29?

A. 2n + 5 = 29
B. 1/2n + 5 = 29
C. n + 5 = 1/2 29
D. 2n = 29 + 5

Use the distributive law to multiply. 3(4x + 5y + 6)

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

Find the common ratio of the sequence. -4, 8, -16, 32, a: -12b: -2c: 12d: -1/-2