Answer:
A: 
Step-by-step explanation:
Acceleration is second derivative of position, velocity is first derivative. Therefore, the velocity is the integral of acceleration.

Integrate:

V(0)=-5:

Therefore, v(t):

Answer:
€113.87
Step-by-step explanation:
Amount = £85.40 * €4/£3 = €113.87.
Answer:
use a calculator
Step-by-step explanation:
Profit = Income - cost
Profit = 10s - (28 + 3s) = 10s - 28 -3s = 7s - 28.
Profit = 0
0 = 7s - 28
7s = 28
7s = 28/7
s = 4. This is the breakeven point.
Carlota must sell more than 4 shirts to make a profit
Answer:
18
Step-by-step explanation:
16 × 9 = 8 × x
x = 18