Write the point slope form of the equation of the line through the given point with the given slope. show your work!
12) through (4,-4) , slope =-2

Write the equation in logarithmic form 8^x=64

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%)

What is the period of the sinusoidal function ?