11. Which pair of angles is always congruent? A two complementary angles
B two supplementary angles
C two vertical angles
D two acute angles

Evaluate the dot product of (3,-1) and (1,5)

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?