29÷3-[35+{56-76+9-(4900-4450)}]

a negative exponent is translated as follows:

so, we have

answer: he is 272195

step-by-step explanation: all you have to do is multiple 3535 and 77 and it equals 272195

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

answer: 0.64

step-by-step explanation: