Answer:
x = 13
Step-by-step explanation:
ΔRST≈ΔYSZ
therefore:
RT/ST = YZ/SZ
(3x-7)/40 = (2x+2)/35
cross-multiply:
40(2x+2) = 35(3x-7)
80x+80 = 105x-245
80 = 25x-245
325 = 25x
325/25 = x
x = 13
Its not exponential
Note that each new Y values is obtained by adding 4 to previous Y value
Answer: 3.4+7.3= 10.7
Step-by-step explanation: