School lunch costs $1.25 per day. If there are 21 school days this month, how much would it cost to eat at school all
month?. SHOW YOUR WORK., i need help asap

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Which expression is rational? 6. , square root two, square root 14, square root 49