Four times an angle is equal to half of its supplement. Find the measures of both angles.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

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.