Lia dropped a coin from a certain height above the ground. She measured and represented its displacements x1, x2, and x3 in the first, second, and third seconds of its fall. What is the ratio of x1, x2, and x3? 1:1:1
1:2:3
1:3:5
1:4:9

What is the measure of angle 1? a.28 b.152 c.168 d.64

Evan went to the park and saw for animals each animal was either a duck or dog if he saw a total of 14 legs how many of each animal did he see

Your vet has placed your pet on a diet. the diet is to contain at least 12 mg of fat and at least 14 mg of protein per serving. these requirements are to be obtained from two food sources. source a contains 2 mg of fat and 2 mg of protein per serving. source b contains 1 mg of fat and 3 mg of protein per serving. if source a sells for $1.28 per serving and source b sells for $1.12 per serving, how many servings of each type should be purchased to satisfy the requirements at minimal cost?