$\sqrt{5x^6}$ $\sqrt{10x^2}$
y>x+1
387/10000 as a decimal
18-[-(-3+2)+2]
2x+3y=20
3x+2y=30
Question 1
Lead-209 is a radioactive isotope. It has a half-life of 3.3 hours. Suppose that 40 milligrams of
this isotope is cre...
8x + 5y + 7x + 6y
6x + 2y + 2x + 3y
3*10^8 divided by 1.44