Is AWXZ = AYZX? Why or why not?
O O O o
Yes, they are congruent by SAS.
Yes, they are both right triangles.
No, the triangles share side XZ.
No, there is only one set of congruent sides.

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

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.

Prove that 16^4-2^13-4^5 is divisible by 11.