Calculate the volume of earth that must be excavated, in cubic yards (cu. yd.), to make a 500- foot long trench that is 20-feet wide at the top, 10-feet wide at the bottom, and 15-feet
deep

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

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

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k