Answer:
x=16
Step-by-step explanation:
(4x+2)+(x+8)=90
5x+10=90
5x=80
x=16
Answer:
a=-5
Step-by-step explanation:
divide both sides by -2: -5=a
a=-5
Answer: 9
Step-by-step explanation:
s = 7
k = 4
x = 6
7 - 4 + 6
3 + 6
9
Answer:
Alice
Step-by-step explanation:
5 feet is approximately 1.5 meters so we can say Alice is taller than Mary by 10cm