please help me with these questions! I really need the help! I will give a brainliest to the best answer for all the questions, and the next best will get a thanks and 5 stars.

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Q1: Every 6 months, Andrea reads 10 novels. If she continues to read this many novels for every 6-month period, how many months will it take for her to read 15 novels?

A. 7 months

B. 9 months

C. 12 months

D. 15 months

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Q2: In a box of mixed nuts, the ratio of cashews to almonds is 1 to 3. How many cashews are in the box if there are 12 almonds?

A. 1

B. 2

C. 3

D. 4

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Q3:In a 7th grade class, there is 1 boy for every 2 girls. How many girls are in the class if there are 18 boys?

A. 20

B. 25

C. 36

D. 38

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Q4: In Ryan's kitchen there are 15 black tiles and 10 white tiles. What is the ratio (in simplest form) of white tiles to black tiles?

A. 2/5

B. 3/5

C. 2/3

D. 3/2

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Q5: In a garden, there are 5 tulip trees and 7 palm trees. Which ratio shows the number of tulip trees to the number of palm trees?

A. 5/12

B. 7/12

C. 5/7

D. 7/5