3.09 x 10^-9/0.02 x 10^-9

How would I simplify this fraction?

5h+3 - j; use h = 6, and j = 1

Find a way to get 54 in fraction

Which of the following statements is always true for all values of a A) - a = a B) |a| = - a C) |a| = a D) - (-a) = a

Cabs R' Us charges $2.00 plus an additional $3.00 per mile for a ride. Call A Cab charges $4.00 plus an additional $3.00 per mile for a ride. At what distance, in miles, will the cost be the same for both companies?

according to the fundamental theorem of algebra how many roots exits for the polynomial function. f (x) = 8x^7-x^5+x^3+6

2a + 1 > 9 or a < - 1

P (B) = 1320, P (A∩B) = 1325, P (A|B) = ?

The base edge of a square pyramid is 30 cm. The pyramid is 6 cm tall. Find the volume of the pyramid

Tom starts a lawnmowing business. Before he can begin, he purchases a new lawnmower. Each weekend he mows the same number of lawns and earns the same amount of money. Write an equation to show how much money he's earned at any week.

11. A collection of nickels and dimes is worth $9.45. If the number of dimes is doubled, the value is $16.65. Find the number of each coin.