If potatoes cost 4.20 for 5lbs what's the unit rate

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

Are triangles the congruent? write the congruency statement.what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?

Write as a product of two polynomials. 2(3–b)+5(b–3)^2