Lexington Middle School (Grades 6-8) collected cans of vegetables for a school food drive. The 6th grade class collected
212 cans. The 7th grade class collected 340 cans. Altogether,
the school collected 750 cans. How many cans did the 8th grade
class collect?
Also can you help me with my school project my teacher is going to put me in summer school drop your number after the answer please

Trigonometry help asap

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 value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12