How do i factor this equation? 1-49c^2

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by