Philip claimed that the expression -p+5+p positive for any value of p. Determine whether Philip's statement is always true, sometimes true, or never true. Provide evidence to support your conclusion.

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%)