Answer:
Step-by-step explanation:
The submarine is underwater for 6 seconds. The submarine hits the water after 1 second and comes back up at the 7th second.
Answer:
180 = 40 + 10x
Step-by-step explanation:
2(x4) = 35 - (7-4x)
+4x
2(x8)= 28
/2 /2
8x = 14
Add the 28 and 42
then divide by 2
there should be 35 kids in group
Answer:
False
True
True
Step-by-step explanation:
Multiplying add exponents
Divide subtract exponents
Exponent multiply exponents