12. Quadrilateral EFGH has vertices at E(-3,4), F(5,10). G(2,1), and H(-6, -5). y
(a) Prove using coordinate geometry that EFGH is a
parallelogram. (3 points)
Draw or add image

(b) Is EFGH also a rhombus? Justify your yes/no answer.
[3 points]

Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9