Triangles pqr and xyz are similar.
what is the length of xz?

a. 5.25
b. 4.5
c. 7
d. 8
e. none of these.

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

Which expression is equivalent to 64 - 9x^2?

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