1.The measures of two supplementary angles are (0.5x)° and (x + 30)°. Determine the value of x. (Type number only) 2. Suppose ∠A is complementary to ∠B and ∠B is supplementary to ∠C. If m∠A is 21°, find m∠C. (Type number only)

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?