Which statement is true?
a)a scalene triangle and a right triangle are always congruent
b)a scalene triangle and a right triangle are never congruent
c)an equilateral triangle and a right triangle are always congruent
d)an equilateral triangle and a right triangle are never congruent

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

Which of the following is the sum of 3 1/6 + 6 3/8?