Write the equation of a line whose slope is -2 and goes through the point (1,-1)

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Kathleen's gross annual salary is $56,820. what is the maximum amount of rent she can afford to pay? round your answer to the nearest dollar. question 1 options: $1146 $1326 $1656 $2368

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?