Answer:
16
Step-by-step explanation:

Answer:
35
Step-by-step explanation:
Answer:
i think the given triangle is equilateral triangle because all side are equal.
Answer:
-3 degrees per hour
Step-by-step explanation:
This is because if you look at the graph at 7:20pm it is 47 degrees and at 8:20 pm it is 44 degrees
47-44=3
Answer:
f(-3)
f(a) = -2a² - 5a + 4
Substitute a with its value, -3
f(-3) = -2(-3²) - 5(-3) + 4
f(-3) = -2(9) + 15 + 4
f(-3) = -18 + 19
f(-3) = 1
the value of f(-3) is 1.