For which of the following equations is (10, 20) a solution? A. 10y=5x;5y=10x
B. y=x-10;y=x+10
C. y+10=x;3y+4x=100
D. 3y+4x=100

please help me lol

True or false? a triangle can be circumscribed about a given circle

Your client has saved $1,860 for a down payment on a house. a government loan program requires a down payment equal to 3% of the loan amount. what is the largest loan amount that your client could receive with this program

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why