A gardener is making a triangular planting with one tree in the first row four trees in the second row seven trees in the third row and so on for eight rows what is the sequence that describes the number of trees in each row and find the total number of trees planted

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?