Answer:
15 units²
Step-by-step explanation:
Hi there!
where <em>b</em> is the base and <em>h</em> is the height
Plug in the base (7.5) and height (4):

Therefore, the area of the triangle is 15 units².
I hope this helps!
A relation is a function, if and only if, the x- values do not repeat in a given set.
Answer:
Step-by-step explanation:
(x^4 + 2x^3 - 7x - 9) +
(x^5 - 2x^4 + 8x + 18)
x^5 - x^4 + 2x^3 + x + 9
Answer: 15
Step-by-step explanation:
3 (days) 9 (days)
————- —————-
5 (batteries) x (batteries)
solve for x by cross multiplying.
9 x 5 = 3x
45 = 3x
x = 15