Calculate the simple interest for each situation. Which choices have a simple interest greater than $800.00? Select all that apply. A.
$2,000.00 at 6% for 7 years

B.
$4,500.00 at 3% for 6 years

C.
$1,400.00 at 6% for 9 years

D.
$5,000.00 at 7% for 3 years

E.
$800.00 at 15% for 5 years

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)

Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca