Abag contains 2 steel balls and 5 brass balls. the total weight is 13 pounds. if 2 steel balls are added and 2 brass balls are removed, the weight decreases to 12 pounds. how much does each kind of ball weigh?

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

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.

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)