Christina is saving money to buy a bike that cost 189 he saves 99 so far he plans on saving $10 each week and how many weeks will he have enough money to buy the bike use a bar diagram to solve arithmetically then use an equation to solve algebraically

step-by-step explanation:

6 on both sides and twelve on the top and the bottom

step-by-step explanation:

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

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d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation: