Assume that a password to log onto a computer account is to consist of any 4 digits or letters (repetition is permitted). determine the number of passwords possible if the letters

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

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

What is the absolute value of the complex number -4-sqrt2i