Evaluate the expression 7a² - 3b³ when a) a= 4, b= -2 b) a= -8, b=5 You will end up with 2 answers here, substitute and solve.

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Which statements are true about additional information for proving that the triangles are congruent check all that apply

Will make ! for correct answer the dot plot below shows the number of toys 21 shops sold in an hour. is the median or the mean a better center for this data and why? a. median; because the data is not symmetric and there are outliersb. median; because the data is symmetric and there are no outliersc. mean; because the data is symmetric and there are no outliersd. mean; because the data is skewed and there are outliers