The area of a parallelogram is 420 cm2 and the hight is 35 cm. find the corresponding base

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

What dimensions can créate more than one triangle ?