which two complex numbers when added together and written in the standard form will give you 19 – 2i?
a. 7 − 3i
b. −5 − 8i
c. 12 + i
d. −4 + 9i
e. 6 − 6i
f. −9 + 15i
g. 1 + 10i
h. 11 − 12i

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.