Which expression is equivalent to 1/4 + 3 - 1/3x + (-2)

a- x + 5
b- 1/12x - 1
c- x + 1
d. 1 = 1/12

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

What multiplys to be 1 but adds up to be 4

The half-life of a certain material is 0.002 second. approximately how much of a 14-gram sample will be left after 0.004 second? a. 12 grams b. 3.5 grams c. 0.06 gram d. 7 grams