please check my answers

1. the ratio of 5 3/5 to 2 1/10=8to 3
2.the ratio of 7 dimes to 3 quarters =14 to 15
3.Marc took 3 hours (h) to mow a lawn while Angelina took 150 minutes
(min) to mow the same lawn a week earlier. Write the ratio of Marc’s time to
Angelina’s time as a ratio of whole numbers=6 to 5
4.find the rate 240 pounds of fertelizer/6 lawns=40
5.Which is the better buy: 5 lb of sugar for $4.75 or 20 lb of sugar for $19.92?= 5 pound bag .95 cents
6.write as proportions If Maria hit 8 home runs in 15 softball games, then she should hit 24 home runs in
45 games.=8/15=24/45
7.Determine whether each pair of fractions is proportional 5/8=75/120=yes
8.Determine if the given rates are equivalent.12 gallons of paint/8329ft2=9 gallons of paint/1240ft2=no not equalivalnt
9.A store has T-shirts on sale at 2 for $5.50. At this rate, what
do five T-shirts cost?=$13.75

All are correct. Sometimes you don't say what your units or ratios are, but your answers are right anyway. In #2, you are comparing the dimensionless ratio of "cents to cents". In #4, 40 is "pounds per lawn". In #5, 95 cents is the "unit price", which is what you compared.

Nice job!