Mr. Smith is studying for his firefighter exam he demonstrates that he must study a minimum of 60 hours he decides to spend his steady hours out evenly over eight weeks how many hours will Mr. Smith need to study each week

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2xdesmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x

Which angle is the smallest? also give me an explanation so i can complete it to other questions as well, : )