Which angles are vertical angles in the figure shown? Select two answers.
A. ∠1 and ∠2
B. ∠2 and ∠3
C. ∠5 and ∠8
D. ∠4 and ∠5
E. ∠7 and ∠8

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?