The equation 680(0.87)t=340 can be used to find the time, t, in years, it takes for 680 grams of a radioactive element to decay to 340 grams. To solve the equation 680(0.87)t=340, a student graphs the equations y=680(0.87)t and y=340.

What can be said about the relationship between triangles and circles? check all that apply. a) many circles can be inscribed in a given triangle b) exactly one triangle can be inscribed in a given circle c) exactly one circle can be inscribed in a given triangle d) many triangular shapes can be circumscribed about a given circle

What does x = in this equation x+3+2x=x+5

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8