Question

answer this for 50 points plźzz​

Answer 1

160 digre

Step-by-step explanation:

is an angle of u and t is 50 +50 and h valu 60

Answer 2

The roots of the quadratic equation x²-4x-8=0 are 5.464,-1.464. The roots correct to 3 significant figures are 5.46 and "-1.46" 5.464 and "-1.464" 5.47 and "-1.47" 5.460 and "-1.460"