The brain has 100 billion brain cells. If you counted each cell at 1 per second, how long would it take you to count all 100 billion cells?

What is 42.2% of 635.4 explain how you found your answer

7848 Divided by nine

State the conclusion based on the results of the test. The mean of the pressure required to open a certain valve is known to be mu equals 8.4 psi.

Allen has 344 baseball cards he gave keyone 25 how many cards does Allen have left?

On a certain route, an airline carries 8000 passengers per month, each paying $70. A market survey indicates that for each $1 increase in the ticket price, the airline will lose 50 passengers.

A regular pentagon and an equilateral triangle have the same perimeter. The perimeter of the pentagon is 5 (1/2 x + 2) inches. The perimeter of the triangle is 4 (x-2) inches.

Solve for x (8 2/5 + 7 2/3) + 4 1/3 = x + 13 A. 6 2/5 B. 7 2/5 C. 8 2/5 D. 16 3/5

A=bh, for b (an area formula)

Which of the following values represents an index of refraction of an actual material? A. 1.25 B. 0 C ...25 D ...5

Simplify. 1.5m 7 (-4m 5) 2 - 6m14 24m14 12m17 24m17