Pls help thanks this is worth 15!!

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Write the equation in logarithmic form m^x=n

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.