Answer: No, because 7^2 + 10^2 is > 12^2
Step-by-step explanation: 7^2 +10^2= 49 + 100= 149 149
144
Answer:
im pretty sure its 5x+70... good luck boo
Step-by-step explanation:
Well, for 20 you just add them, to get

. For 21, you do a substraction:

. It'd take him quite some time (does this one even have zeros? :)) )
D and F are not equivalent to ax+bx+ac+bc+
Answer: 900
Step-by-step explanation: