Write an equation in slope-intercept form of the line that passes through (7, 2) and (2, 12)

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

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%)