22.5% written as a fraction in simplest form

Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.

Which math sentence can be used to determine if the triangle is a right triangle?

Let x = a + bi and y = c + di and z = f + gi. which statements are true?