To determine whether students at Bernal want to attend an art festival at the school, Manuel surveys all the students in the library at lunch. Biased or unbiased. Explain for brainlist

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

What is (28 + 7 + 6 + 3) x 1/2 show your work

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?