Answer:
yellow: x=6
red: y=4
blue: y=-2
Step-by-step explanation:



Therefore, the value of x is 7.375.


Hence verifed.

Answer:
Joshua worked 4 hours and luke worked 7
Step-by-step explanation:
25x + 35x +105 = 345
60x = 345 - 105
60x = 240
x = 240/60
x = 4 hours
Answer:
10 centimeters
Step-by-step explanation:
To find the greatest possible product, you need the greatest possible numbers. The largest possible 2-digit number is 99. The largest possible 1-digit number is 9. Therefore, 99 * 9 will be the largest possible product under these circumstances.
99 * 9 = 891
Hope this helps! :)