In right AABC, M2C-90°, cos A-1/5. What is sin B?
a) 4/5
b) 90-1/5
c) 5/1

Multiplying an even number of negative numbers gives an answer that is choose from:

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.