4 digit palindromes must be of form abba, so being required that you use both numbers, you only have two: 1221 and 2112
Answer:
4.5 ft
Step-by-step explanation:
Let us assume the height of the taller brother be x
And, the height of the shorter brother be y
Now according to the question
x + y = 10.33
x - y = 0.833
Now solve these two equations
2x = 11.666
x = 5.833
y = 10.33 - 5.83
= 4.5 ft
The bird watcher saw 7 blue Jays?
Use the equation of -b/2a, so if you have a line you can just plug in the numbers.
Answer:
40
60
Step-by-step explanation:
20÷2=10
10×4=40
10×6=60
