How do you find the surface area of a prism? is there a formula?

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent

One of the solutions to x2 - 2x – 15 = 0 is x = -3. what is the other solution? ox=-5 ox= -1 0 x=1 x = 5