Answer:
72 inches
Step-by-step explanation:
3 feet are in a yard so 2 yards is 6 ft, and 1 ft is 12 inches, so in 6 ft there are 72 inches.
Answer:
11.5 sec
Step-by-step explanation:5.5+6=11.5
Answer:
3x+4
Step-by-step explanation:
f(x) = - x+4
Substitute in x=-3x
f(-3x)= - (-3x) + 4 = 3x+4
Answer:
28
Step-by-step explanation:
because in this series the gap between number is gradually increasing from 1 and so this times its the turn of number 7 so 21+ 7 = 28
