Which of the following equations could be used to find the missing measurement in this triangle?

a2 + 352 = 372
352 + 372 = a2
a2 + 372 = 352

Which of the following graphs represents the function f(x) = 2^x

The box plots show the distributions of the numbers of words per line in an essay printed in two different fonts.which measure of center would be best to compare the data sets? the median is the best measure because both distributions are left-skewed.the mean is the best measure because both distributions are left-skewed.the median is the best measure because both distributions are symmetric.the mean is the best measure because both distributions are symmetric

Simplify each expression for 18, 20, and 21