Tiffany answered 80% of the questions on her math test correctly. There were 40 questions. How many questions did Tiffany get correctly

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

Which of the following is true for the relation f(x)=2x^2+1

Solve for x and select the correct answer