In triangle ΔDEF, ∠D = 44º, m∠E = 61º, and EF = 20 in. What is DE to the nearest tenth of an inch?

I’m stuck on this i don’t understand.

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

Mr. walker gave his class the function f(x) = (x + 3)(x + 5). four students made a claim about the function. each student’s claim is below. jeremiah: the y-intercept is at (15, 0). lindsay: the x-intercepts are at (–3, 0) and (5, 0). stephen: the vertex is at (–4, –1). alexis: the midpoint between the x-intercepts is at (4, 0). which student’s claim about the function is correct?