Which scenario represents a 20% increase? A - 120 goes down to 100

B - 50,00 dogs to 60,000 dogs

C - Hannah's brain capacity during any given math test

D - 156 deer to 204

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

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.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab