State the cosine of C based on right triangle BCD. Use the label “DC” to represent the base of the triangle.

1. what is the measure of ∠abc? what is the measure of ∠abd?

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75

Harry owes the bank money. to repay his debt, he paid $150 back to the bank each month. after 10 months, his remaining debt was $6900. what was the original amount of harry's debt? how long did it take harry to pay back his entire debt?