x/4 ≥ 9 is the expression you want
Answer:
d
Step-by-step explanation:
look at the x and y axis
x + y = 53
x -y = 9 Adding both equations
2x = 62
x = 31 y = 22
2
X - 4 when you use the foil method or multiplication
Answer:
40 miles per hour
Step-by-step explanation:
change hours and minutes to hours
12 minutes = 12 minutes * 1 hr/ 60 minutes = 12/60 hrs
12/60 = 1/5 = .2 hours
1 hours 12 minutes = 1.2 hours
48 miles in 1.2 hours
48/1.2 = 40 miles/hour
