I'll help on 12. You know that 5*5 is 25. therefore what times 5 equals 20?
Answer:
53
Step-by-step explanation:
Use pemdas
Use P and do (2+2)
then E 2^3 to get 8
Now you have 9-4/4+8*5
Do M and D To get 9-1+45
Now add and subtract to get your answer
No solution
because delta ( b^2 - 4ac ) is lower than 0(zero) .
You would have to put them into different shapes and the formula for the squares is sides^2 and the formula for the triangles is 1/2(b*h), eventually you will add the numbers together
that's right the way you have it right now in the picture all adds up to 65
