Sheila has a plan to save $45. a month for 18 months so that she has $810 to remodel her bathroom. at 13 months, sheila has saved $510. if the most sheila can possibly save is $70 per month, which of the statements are true?

a.)sheila will meet her goal and will not need to adjust her plan.

b.)sheila must save $50 per month to achieve her goal.

c.)sheila must save $60 per month to achieve her goal.

d.)sheila will not be able to meet her goal.

step-by-step explanation:

let's first notice, the center of the hyperbola is at the origin, since the focus points are equidistantly 3 units away from the origin, that also means that the distance "c" from the center to either focus is 3.

it should also be notable that, the traverse axis for this hyperbola is vertical, or namely over the y-axis and therefore, the positive fraction will be the one with y-variable.

the traverse "a" component or distance from the center to either vertex is not 2, is more than 2, so we can safely put it at √5 ≈ 2.24.