Fill in the Blanks: 1. Fractions having different denominators are called
2. Two fractions are if the product of the numerator of the first and the denominator of the second is equal to the product of the denominator of the first and the numerator of the second
3. A mixed fraction can be converted into fraction.
4. A fraction is said to be in form if its numerator and denominator are 5. To add or subtract like fractions, we add or subtract the keeping the same.

In the triangle abc< angle c is a right angle. find the value of the trig function indicated. find tan a if a =12, b=5 a. 13/12 b. 12/13 c. 5/12 d.12/5

Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.