The octal system uses base 8. the only available digits would be 0, 1, 2, 3, 4, 5, 6, and 7. if the value 2468 is converted to decimal value, it would be expanded as (2 * 82) + (4 * 81) + (6 * 80). what would be the result of this

A high speed train can travel an average of 500km in 2 hours. If it left its station at noon and traveled nonstop, how many kilometers had it traveled by midnight. A. 1,500km B. 3,000km C. 6,000km D. 12,000km

Solve, showing all steps: 5 (x - 3) - 2 (2x + 4) = - 2 (x - 2)

Explain why or why not 12.702 is a reasonable value for the expression 5.8 * 2.19

Using metal Evelyn is making a costume for her school play he needs to buy 2 yards of cotton fabric at the cost of $3.49 per yard and 1/2 yard of sand satin fabric at 5.98 per yard she has $15 to spend on fabric. Will she have enough money

3. What is the frequency of a wave that has a wave speed of 20 m/s and a wavelength of 0.50 m?

Gavin's anemometer measures the wind speed at 44.14 kilometers per hour. 4 times the wind speed 5 hours ago. What was the wind speed 5 hours ago?

Find the next three terms in the numbers sequence 3,10,19,26,_,_,_.

Simplify the expression cosxcscxtanx

Simplify (2^3) ^-2. 1) - (1/64) 2) 1/64 3) 2 4) 64

And is currently h years old. Bill is currently 2h years old and Charles is currently eight years old. Find an expression for each person's age after h years. Then find an expression for the sum of their ages after h years.