What is the answer for -7< 4x-3≤5

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?

What is the value of x? assume that the line is tangent to the circle.