A 5-digit combination lock with digits 0-9 can be opened only if a correct combination of digits is chosen. Find the probability of guessing the correct combination if:

What is 1whole and 1/8 as a mixed number

What are the next 4 multiples of 1/7

Select the best answer for the question 7 1/5-62/5=

Are all decimals rational? If not, which ones are rational.

Use mental math and a pattern to find the product (2x9) x 10 to the the second power

3 divided by 57 answer

What is 20x+5y=15 for y?

The next term of the sequence is 48. (2, 4, 8, 16, 32, ...)

A motorboat left a harbor and traveled to an island at an average rate of 10 knots. The average speed on the return trip was 10 knots. If the total trip took 4.0 hours, how far is the harbor from the island?

Which polynomial is in standard form? 1+2x-8^2+6x^3 2x^2+6x^3-9x+12 6x^3+5x-3x^2+2 2x^3+4x^2-7x+5