1.) A Saint Bernard puppy weighs 21 pounds at nine weeks old. After that, it gains pounds per week on average. How many weeks old must the puppy be if it weighs 25 pounds now?

phosphate, calcium ion, chloride ion, neon atom

step-by-step explanation:

step-by-step explanation:

most likely the answer is a.

alice wins if a total of 5 is rolled. finn wins if a total of 9 is rolled.

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

happy to

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answer: i think one of the answer is $150 and $300?

step-by-step explanation: