Solve by method of determinants:
7x - 2y = 5
21x- 6y = 10

table a is wierd

step-by-step explanation:

6*f

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

i am so sorry , i have no idea but i want points so i won't be a beginner anymore