Hannah worked 26 of the math problem for the math competition. Van worked 35 of the math problem. How many math problem did they work together​

Aconvex octagon has interior angles that measures 73 degrees, 172 degrees, 132 degrees, 59 degrees, 154 degrees, 163 degrees, x degrees, 2x degrees find the value of the missing angles

If square root x = -7, then x= -49 true or false

How do you determine whether a relationship represented as as graph is linear or nonlinear