The sketch measures 4 in. × 5 in. the scale factor from the sketch to the finished poster was 2 in. to 5 in.

what were the dimensions of the poster?

Draw the line of reflection that reflects △abc onto triangle δ a'b'c'

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88