Tara is making spirit ribbons. she has 63 inches of blue ribbon on one spool and 56 inches of orange ribbon on another. if tara wants all the ribbons to be the same length and she does not want any ribbon leftover, what is the longest length of ribbon that can be cut from each spool

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables