For the figures shown, which information can be used to show that ABC ≅ DEF? Select all that apply.
Options:
A. m∠D + m∠E = 90°
B. m∠D = 37°
C. ∠E ≅ ∠B
D. ∠F is a right angle.

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?

Ken earned $128 from his part-time job this summer. he spent 25% of his money on games. he is going to donate 1/6 of the remaining money to charity. how much money will the charity receive?