Answer:
19°
Step-by-step explanation:
m<A + m<B + m<C = 180°
a + 17° + 49° + 5a = 180°
6a + 66° = 180°
6a = 114°
a = 19°
it is 8^5
because it is 8x8x8x8x8=40
Answer: -1
Step-by-step explanation: 4 + (-3) = 1 1 + (-2) = -1
p(t) = 0.8 when t = 7.38 hours