Me i got 10 math question plz 1st one

there were 12 boys and 20 girls in a chorus.

what is the ratio of boys to girls?

a 5 : 8
b 3 : 5
c 3 : 8
d 5 : 3
2one jack's pancake recipe calls for 2 tsp baking powder and 3 c of flour.
how much baking powder is needed if jack uses 9 c of flour? 3rd one dirk plants 12 seedlings in 8 min.
at this rate, how many seedlings could he plant in 70 min?
4th one
the table shows the pricing for four different types of gasoline.
type cost
a $20.20 for 10 gal
b $26.04 for 12 gal
c $28.14 for 14 gal
d $30.45 for 15 gal

which type costs the least per gallon? 5th one how long does it take to travel 300 mi at a constant speed of 15 mi/h? 6th one enter the missing numbers in the boxes to complete the table of equivalent ratios of time to distance.
time (h) distance (mi)
2
9
12 8
18
7th one drag the amounts to order them from greatest to least.
1 lb = 16 oz

1 oz ≈ 28.3 g

800 g1.6 lb30 oz 8th one the equation 4s = 33.4 models a constant rate situation.
drag and drop the value of 2s in the box. 2s = a 16.7 b 29.7 c 30.4 d 37.4 9th one jacob buys four muffins for $5.00.
what is the cost of 7 muffins?
10th one a car wash cleans 3 cars in 24 min.

how many cars does the car wash clean in 56 min?

enter your answer in the box.