What’s is Tan^-1(30/11)

(4d.p)

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of

step-by-step explanation:

a'(12.5,11.25)

slope=(y1-y2)/(x1-x2)