In a recent training class only 7 of the 15 dogs were certified as service dogs. What percent of dogs became certified dogs?

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.

I’m stuck on this equation, anyone got the answer?

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.