Please help it’s about measurements and angles. The 1st two question marks at the bottom say wrong or correct as an option and the 3rd question mark say
-add or subtract
-operate within parentheses
-multiply or divide
I’ll mark you best

The product of sin 30 degrees and sin 60 degrees is same as the product of

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18

1. why is a frequency distribution useful? it allows researchers to see the "shape" of the data. it tells researchers how often the mean occurs in a set of data. it can visually identify the mean. it ignores outliers. 2. the is defined by its mean and standard deviation alone. normal distribution frequency distribution median distribution marginal distribution 3. approximately % of the data in a given sample falls within three standard deviations of the mean if it is normally distributed. 95 68 34 99 4. a data set is said to be if the mean of the data is greater than the median of the data. normally distributed frequency distributed right-skewed left-skewed