Blog

1.jpgThe orange stuff on this rock is alive. What is it? [BLANK-1]

1.jpgThese unicellular and photosynthetic organisms have a silica shell. What are they? [BLANK-1]

1.jpgWhat general type of lichen is growing on this rock? [BLANK-1]

1.jpg Which plant phylum is shown here?

1.png Cross section viewed with microscope. What are the darker vase-like structures in the center?

Solve the equation.2 + log3(2x + 5) – log3 x = 4

Find an equation of the parabola described.Focus at (5, 0); vertex at (0, 0)

Graph the system of inequalities.y ≥ x2x + y > 5

Solve the problem. Round your answer to three decimals.What annual rate of interest is required to double an investment in 6 years?

Find the vertex, focus, and directrix of the parabola. Graph the equation.(x + 2)2 = -4(y + 2)