Which expression gives the x-coordinate of the solution of the system? {5x+3y= -18 {2x- 4y= -28}

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

Bring the fraction a/a-4 to a denominator of 16-a^2

A. use the formula for continuous compounding with the original example: $1000 invested at 2% for 1 year. record the amount to 5 decimal places. use a calculator. b. compare it to the result using the original compound interest formula with n = 365 calculated to 5 decimal places. which has a larger value? explain.