Star A is approximately 4.2 x 1013 kilometers away. Star B is approximately 6.3 x 1015 kilometers away. About how many times as far away is star B as star A?
A.
70
B.
150
C. 1,000
OD. 2,100

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year the population of her town is changing by a constant rate

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?