Just plug in the numbers for the variables

Does this help?
Answer:
8/26
Step-by-step explanation:
there are 8 blue out of a total of 26 in total
Answer: 450
Step-by-step explanation:
first house--300
second house--50
third house--50 x2=100
300+50+100=450
Answer:
24
Step-by-step explanation:
4 times 6 =24
Area of a square = Side × Side
Side = 7x-3
Area of the square = (7x-3) × (7x-3)
= 7x(7x-3) -3(7x-3)
= 49x^2 -21x -21x +9
=49x^2 -42x +9