Earth/Space Science: Which curve best represents a blue star?

A. Curve 1
B. Curve 2
C. Curve 3
D. Curve 4

Aforce of 200 n is applied to an input piston of cross-sectional area 2 sq. cm pushing it downward 2.8 cm. how far does the output piston of cross-sectional area 12 sq. cm move upward? show all work.

Choose a synonym for the underlined homonym (a word with two or more meanings). i did not expect the boat to rock so much. a. boulder c. astound b. sway d. shock

Need this now! do pilots live long