Answer:
-4x-y=24= - 4 · (-7) - 4 = 24
Answer:
- 455 adult tickets
- 884 student tickets
Step-by-step explanation:
Let "a" represent the number of adult tickets sold. Then 1339-a is the number of student tickets sold. The revenue collected was ...
5a + 1(1339-a) = 3159
4a = 1820 . . . . . . subtract 1339, collect terms
a = 455 . . . . . . . . divide by 4; adult tickets sold
(1339-a) = 884 . . . . student tickets sold
455 adult tickets and 884 student tickets were sold.
Answer: 1 and 2 only
Step-by-step explanation:
True. An equilateral has equal sides, which is possible, and <span>equiangular Has equal angles, which if you have same side lengths, have same angles; right angles</span>