On the day of stevens field trip, the highest temperature will be 75 degrees at 1 pm. if it will take his group 1 hour of travel time and they plan to stay there for 5 hours, what time should he leave to enjoy the warmest temperature during the trip?

The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x + 1) where x is the number of years since records began to be kept at the school. what is the record for the long jump 11 years after record started being kept? round your answer to the nearest tenth.

Three times the sum of a number and seven is negative thirty-six. what is the number?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class