A family's cell phone plan costs $55 per month for 1,000 minutes and 25 cents per minute over the limit. This month, the family paid $85 75. By how much time did they exceed their plan?

step-by-step explanation:

each side has a different length.  

step-by-step explanation:

hope it

step-by-step explanation:

x^(1/6) · x^(1/6) · x^(1/6)   ·x^(1/6) = x^(4/6)   since we add the exponents

4/6 can be simplified to 2/3

the simplified form is x^(2/3)

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)