Find the sine of angle Y

Write your answer as an integer or as a decimal rounded to the nearest hundredth

What is the value of r of the geometric series?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither