Triangle DEF has coordinates of (1, 1), E(1, 5) and F(5,1). Triangle D'E'F is the image of ∆DEF by a dilation with center (0,0) and a scale factor of 7. What is D'F? How Do I solve this problem?

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.

If x = ∛200, which of the following inequalities is true? * 2 < x < 4 3 < x < 5 6 < x < 6.5 4.5 < x < 5.5 5 < x < 6

The parabola opens: y=√x-4 (principal square root) up down right left