Find the measure of angle C. Round to the nearest tenth if necessary.

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

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

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11