math test

Full Name

what is x. x + 10 ÷ 15x = 20:

7/5
5/7
-5/7

figure out what y is 3x × y = 2:

2/3
3/2
-2/3

x^3 + y^3 + z^3=k:

62
42
72

There are thirty-six dogwood trees currently in the park. Park workers will plant fourteen more dogwood trees today. How many dogwood trees will the park have when the worker are finished: