At the beginning of the month, there were 80 ounces of peanut butter in the pantry. Since then, our family has eaten 30% of the peanut butter. Which expression represents the ounces of peanut butter left in the pantry? 0.7(80)
0.3(80)
80 - 0.30
None of the above

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

Which one ? is the answer and how to find this answer

3.4a=57.8 what is the the value of a