When calculating interest earned you?

a multiply the principal by the interest rate
b multiply the principal by the interest rate and time
c use an online calculator
d multiply the principal by time

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

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

What is the measure of sty in oo below? 130 310 230 50