Why might juan choose a traditional savings account over other more aggressive savings plans

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Pranza plotted point a in the coordinate plane below.

An isosceles trapezoid with a perimeter of 42 inches. each of the congruent non parallel sides is 5 inches long, and the trapezoid is 3 inches tall. how long are the two parallel sides? a. 10 in, 22 in b. 16 in, 16 in c. 10 in, 16 in d. 12 in, 20 in