why does a column of mercury in a tube that is inverted in a dish of mercury have a height of about 760mm at sea level?

A stalactite and stalagmite are growing toward each other in a cave. The following graph shows the relationship between the time (in years) since they appeared and the distance (in millimeters) between the stalactite and stalagmite.

What is the product of 9 and 40

What is the best estimate of the difference? (34/8 - 16/3) - 14/9

Describe and correct the error in rewriting the equation 2x - y=5 Y = - 2x+5

In physical education class, 48 out of 50 students are wearing tennis shoes. What percent of students in physical education class are not wearing tennis shoes? A. 4% B. 28% C. 56% D. 78%

Given: m || n and p is a transversal Prove: m2 = m7 What is the missing reason in the proof? Statement Reason 1. m || n and p is a transversal 1. given 2. ∠2 ≅ ∠3 2. ver. ∠s theroem 3. m∠2 = m∠3 3. def. of congruent 4. ∠3 ≅ ∠7 4. corr. ∠s theroem 5.

60/96 in lowest term.

What are the chances of getting heads 10 times in a row in a coin toss?

Which expression is equivalent to 15 (n+3/n) ? £ N=10

Reduce to simplest form. -5/9 + (-7/12)