QX←→ is a tangent to circle R at point Q. Circle R with a chord and tangent. Point Q at 4 o clock on the circle. Point X at 2 o clock is outside the circle. Secant Line R Q and tangent line Q X. Angle XRQ is labeled 56 degrees. What is m∠RXQ ?

Use the graph to determine the range. which notations accurately represent the range? check all that apply. (–∞, 2) u (2, ∞) (–∞, –2) u (–2, ∞) {y|y ∈ r, y ≠ –2} {y|y ∈ r, y ≠ 2} y < 2 or y > 2 y < –2 or y > –2

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle