Mr. harris is building an addition to his house. to start, he needs 300 eight foot long 2x4's and 60 ten foot long 2x4's. how many yards of 2x4's will mr. harris purchase?

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.

Renee hiked for 6 3 /4 miles. after resting, renee hiked back along the same route for 5 1 /4 miles. how many more miles does renee need to hike to return to the place where she started? represent your answer as a simplified mixed number, if necessary.