If ∠7 = -7x2 + 6y + 5, m∠4 = -9x + 3x3 - 4y, and m∠5 = 6y°, find the sum of ∠6 and ∠1. Accurate to 3 decimals. I need help please this is hard for me

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k

In a 45-45-90 right triangle, what is the ratio of the length of one leg to the length of the other leg? а . 1: 2 в. 2: 1 с. 2: 1 d. 1: 1

Tom drove 206 miles in 3.9 hours. estimate his average speed.