Step-by-step explanation:
sin theta = 3/4
3² + x² = 4²
x² = 16 - 9
x =√7
sec theta = 1/cos theta
= 1/√7/4
= 4/√7
85per month×12months =$ 1020
Answer:
x^2-6x+9
(x-3)^2
= x^2-6x+9