Answer:
The answer is 21
Step-by-step explanation: You substitue 3 for C and 4 for D and craete the equation
so you add 3+4=7 and you get
which is 7 times 3 =21
38.1 seconds I believe simply divide 4m/s into 152.4 m and you will have 38.1 seconds
Answer:
The expression is not factorable with rational numbers.
Step-by-step explanation: