Which of the following equations have exactly one solution? Choose all answers that apply:
Choose all answers that apply:

(Choice A)
A
-5x+12=5x-5−5x+12=5x−5minus, 5, x, plus, 12, equals, 5, x, minus, 5

(Choice B)
B
-5x+12=-12x-12−5x+12=−12x−12minus, 5, x, plus, 12, equals, minus, 12, x, minus, 12

(Choice C)
C
-5x+12=-5x-12−5x+12=−5x−12minus, 5, x, plus, 12, equals, minus, 5, x, minus, 12

(Choice D)
D
-5x+12=5x+12−5x+12=5x+12

Jamie is hiking up a small mountain. he climbs up at a constant rate of 300 feet/hour until he reaches the peak at 1,500 feet. after that, he hikes down at the same rate to the base of the mountain. the equation that models jamie’s elevation, e, after t hours is e = . jamie’s elevation will be 600 feet after hours and after hours.

Consider the expression below. 9 + 4(x + 2) – 3.1 select the term that best describes "3" in the given expression. o a. coefficient variable exponent constant

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)