Answer:
10 seconds
Step-by-step explanation:
420 divided by 42 is 10 and its says 42 ft per sec so 10 seconds
Answer:
Step-by-step explanation:
Answer:
There are no like terms to therefore the answer is -4x+5y+6z
Answer:
29
Step-by-step explanation:
Use PEMDAS
5^2 + 8 ÷ 2
25 + 8 ÷ 2
25 + 4
29
Yes (2,5) is a solution to the system of equation
2+2 (5)=12
2+10=12
12=12
2(2)+2(5)=14
4+10=14
14=14