Select all of the following that have the same value as 30,452. A. (3 x 1,000) + (4 x 100) + (5 x 10) + (2 x 1)
O B. (3 x 104) + (4 x 10°) + (5 x 10?) + (2 x 10')
OC. 30.000 + 400 + 50 + 2
D. thirty thousand, four hundred fifty-two
E. (3 x 10') + (4 x 10-) + (5 x 10") + (2 10')
F. thirty-four thousand, fifty-two

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 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)

Solve the equation by completing the square. x^2+2x=17